Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
505
FNUS51 KBOX 180810
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 AM EDT Mon Aug 18 2025
.DISCUSSION...
A dry much cooler and less humid airmass works into the region
today. Highs will be in the 70s with northeast wind gusts of
20 to 30 mph along the coast. Minimum afternoon relative humidity
values will drop to between 30 and 40 percent.
.OUTLOOK...Tuesday through Sunday...
Generally dry weather prevails for most of the work week.
Temperatures a bit below normal will return to seasonable levels
Friday into the weekend. An extended period of mainly dry weather
will persist through Saturday with the next main chance for
showers not until Sunday.
MAZ015-182000-
Suffolk MA-
Including the cities of Boston, Chelsea, Revere, and Winthrop
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-18) 51 (-12) 75
RH % (24h trend) 38 (-3) 86 (-7) 38
20ft Wnd AM(mph) NE 11 G23 Lgt/Var
20ft Wnd PM(mph) NE 10 G20 E 5 E 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4020 340 5180
Transport Wnd (kts) NE 14 NE 4 E 9
Vent Rate (kt-ft) 56280 1360 46620
Max ADI Early 56 Gen Good 28 Fair 44 Gen Good
Max ADI Late 48 Gen Good 3 Very Poor 42 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
around 60. Highs in the mid 70s. North winds 10 to 15 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. Southwest winds 10 to 15 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Southwest winds 10 to
15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 10 to 15 mph.
$$
MAZ016-182000-
Eastern Norfolk MA-
Including the cities of Braintree, Milton, Quincy, and Weymouth
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-17) 52 (-10) 75
RH % (24h trend) 37 (-5) 86 (-11) 38
20ft Wnd AM(mph) NE 11 G23 NE 5
20ft Wnd PM(mph) NE 9 G20 E 5 E 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3620 310 5130
Transport Wnd (kts) NE 17 E 5 E 8
Vent Rate (kt-ft) 61540 1550 41040
Max ADI Early 58 Gen Good 28 Fair 47 Gen Good
Max ADI Late 50 Gen Good 4 Very Poor 51 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the mid 70s. North winds 10 to 15 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows around 60. Highs in
the mid 70s. Southwest winds 10 to 15 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Southwest winds 10 to
15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 10 to 15 mph.
$$
MAZ013-182000-
Western Norfolk MA-
Including the cities of Bellingham, Dedham, Foxborough, Medfield,
Norwood, Stoughton, and Wellesley
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-16) 45 (-15) 75
RH % (24h trend) 35 (-9) 100 (0) 37
20ft Wnd AM(mph) NE 9 G22 Lgt/Var
20ft Wnd PM(mph) NE 7 G19 Lgt/Var E 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4310 290 6070
Transport Wnd (kts) NE 12 NE 3 E 7
Vent Rate (kt-ft) 51720 870 42490
Max ADI Early 63 Good 32 Fair 46 Gen Good
Max ADI Late 57 Gen Good 3 Very Poor 53 Gen Good
Max LVORI Early 1 6 1
Max LVORI Late 1 6 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the mid 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ014-182000-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-19) 48 (-14) 75
RH % (24h trend) 35 (-6) 93 (0) 36
20ft Wnd AM(mph) NE 9 G20 Lgt/Var
20ft Wnd PM(mph) NE 9 G18 Lgt/Var E 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4580 310 5370
Transport Wnd (kts) NE 10 NE 3 E 8
Vent Rate (kt-ft) 45800 930 42960
Max ADI Early 58 Gen Good 29 Fair 43 Gen Good
Max ADI Late 48 Gen Good 2 Very Poor 48 Gen Good
Max LVORI Early 1 6 1
Max LVORI Late 1 6 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
50s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Southwest winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ007-182000-
Eastern Essex MA-
Including the cities of Beverly, Gloucester, Newburyport,
Peabody, Salem, and Saugus
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-17) 48 (-13) 76
RH % (24h trend) 38 (-3) 100 (+3) 38
20ft Wnd AM(mph) NE 11 G23 Lgt/Var
20ft Wnd PM(mph) NE 9 G20 Lgt/Var SE 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3920 270 4500
Transport Wnd (kts) NE 14 N 4 E 8
Vent Rate (kt-ft) 54880 1080 36000
Max ADI Early 58 Gen Good 21 Fair 34 Fair
Max ADI Late 45 Gen Good 3 Very Poor 40 Fair
Max LVORI Early 2 6 1
Max LVORI Late 2 6 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds
5 to 10 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 60. Southeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast
winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows around 60. Highs in
the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 10 to 15 mph.
$$
MAZ006-182000-
Western Essex MA-
Including the cities of Amesbury, Andover, Haverhill, Lawrence,
Methuen, and Topsfield
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-18) 48 (-12) 75
RH % (24h trend) 33 (-7) 96 (-1) 36
20ft Wnd AM(mph) NE 8 G19 Lgt/Var
20ft Wnd PM(mph) NE 7 Lgt/Var E 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4730 310 5700
Transport Wnd (kts) NE 8 NW 3 E 6
Vent Rate (kt-ft) 37840 930 34200
Max ADI Early 57 Gen Good 20 Gen Poor 37 Fair
Max ADI Late 45 Gen Good 2 Very Poor 47 Gen Good
Max LVORI Early 2 6 1
Max LVORI Late 2 6 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
50s. Highs in the mid 70s. East winds 5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Southwest winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ005-182000-
Central Middlesex MA-
Including the cities of Burlington, Chelmsford, Framingham,
Hopkinton, Lowell, and Natick
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-17) 45 (-15) 76
RH % (24h trend) 32 (-9) 96 (-4) 35
20ft Wnd AM(mph) NE 7 G18 Lgt/Var
20ft Wnd PM(mph) NE 7 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5120 320 6320
Transport Wnd (kts) NE 8 NW 3 SE 7
Vent Rate (kt-ft) 40960 960 44240
Max ADI Early 53 Gen Good 29 Fair 38 Fair
Max ADI Late 46 Gen Good 2 Very Poor 54 Gen Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. Southeast
winds 5 to 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the mid
50s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ012-182000-
Southern Worcester MA-
Including the cities of Milford, Oxford, Sturbridge, Uxbridge,
Westborough, and Worcester
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-15) 47 (-13) 76
RH % (24h trend) 33 (-12) 89 (-11) 35
20ft Wnd AM(mph) NE 7 G19 Lgt/Var
20ft Wnd PM(mph) NE 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4920 280 6400
Transport Wnd (kts) NE 8 N 4 SE 6
Vent Rate (kt-ft) 39360 1120 38400
Max ADI Early 55 Gen Good 35 Fair 43 Gen Good
Max ADI Late 50 Gen Good 3 Very Poor 53 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
MAZ004-182000-
Northern Worcester MA-
Including the cities of Athol, Boylston, Brookfield, Fitchburg,
Gardner, and Harvard
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-14) 46 (-12) 76
RH % (24h trend) 30 (-13) 93 (-7) 36
20ft Wnd AM(mph) NE 6 G18 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5060 230 6310
Transport Wnd (kts) NE 6 SE 4 SE 6
Vent Rate (kt-ft) 30360 920 37860
Max ADI Early 45 Gen Good 27 Fair 35 Fair
Max ADI Late 43 Gen Good 2 Very Poor 45 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Lows in the upper
50s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
MAZ026-182000-
Northern Middlesex MA-
Including the cities of Ashby, Ayer, Groton, Pepperell, Shirley,
and Townsend
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-14) 47 (-11) 77
RH % (24h trend) 32 (-10) 93 (-4) 37
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5460 320 6560
Transport Wnd (kts) NE 6 SW 4 SE 7
Vent Rate (kt-ft) 32760 1280 45920
Max ADI Early 53 Gen Good 29 Fair 36 Fair
Max ADI Late 43 Gen Good 2 Very Poor 61 Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the mid 70s. North winds around 5 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
MAZ002-182000-
Western Franklin MA-
Including the cities of Ashfield, Charlemont, Colrain,
and Shelburne
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Pcldy
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-12) 44 (-11) 76
RH % (24h trend) 28 (-15) 100 (0) 36
20ft Wnd AM(mph) NE 6 G19 Lgt/Var
20ft Wnd PM(mph) NE 6 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4510 120 6120
Transport Wnd (kts) N 7 SE 4 S 6
Vent Rate (kt-ft) 31570 480 36720
Max ADI Early 32 Fair 24 Fair 31 Fair
Max ADI Late 40 Fair 3 Very Poor 48 Gen Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the lower 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Southeast winds around 5 mph.
.THURSDAY...Partly sunny. Highs in the mid 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. Southwest winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s. South winds
around 5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A chance of showers.
Lows around 60. Highs in the mid 70s. Southwest winds 5 to
10 mph.
$$
MAZ003-182000-
Eastern Franklin MA-
Including the cities of Greenfield, Leverett, Northfield, Orange,
and Whately
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-13) 45 (-13) 78
RH % (24h trend) 28 (-13) 100 (0) 34
20ft Wnd AM(mph) N 6 G17 Lgt/Var
20ft Wnd PM(mph) N 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4950 180 6360
Transport Wnd (kts) N 6 SE 3 S 6
Vent Rate (kt-ft) 29700 540 38160
Max ADI Early 37 Fair 22 Fair 33 Fair
Max ADI Late 41 Gen Good 2 Very Poor 48 Gen Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. South winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
MAZ008-182000-
Western Hampshire MA-
Including the cities of Chesterfield, Plainfield, Westhampton,
Williamsburg, and Worthington
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-12) 45 (-11) 74
RH % (24h trend) 31 (-14) 96 (-4) 37
20ft Wnd AM(mph) N 7 G19 Lgt/Var
20ft Wnd PM(mph) NE 6 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4450 150 6100
Transport Wnd (kts) NE 7 SE 4 S 6
Vent Rate (kt-ft) 31150 600 36600
Max ADI Early 34 Fair 28 Fair 31 Fair
Max ADI Late 40 Fair 3 Very Poor 45 Gen Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the lower 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the mid 70s. North winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. Southwest winds around 5 mph.
.SATURDAY...Mostly sunny. Highs in the upper 70s. South winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the mid
70s. South winds 5 to 10 mph.
$$
MAZ010-182000-
Eastern Hampshire MA-
Including the cities of Amherst, Belchertown, Northampton,
Southampton, and Ware
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-14) 45 (-14) 77
RH % (24h trend) 31 (-13) 100 (0) 35
20ft Wnd AM(mph) N 7 G18 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5040 260 6660
Transport Wnd (kts) NE 6 SE 4 S 5
Vent Rate (kt-ft) 30240 1040 33300
Max ADI Early 43 Gen Good 24 Fair 34 Fair
Max ADI Late 42 Gen Good 3 Very Poor 47 Gen Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. South
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. South winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
MAZ009-182000-
Western Hampden MA-
Including the cities of Blandford, Chester, Granville,
Montgomery, Russell, and Tolland
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-13) 46 (-11) 76
RH % (24h trend) 30 (-15) 93 (-7) 37
20ft Wnd AM(mph) N 8 G20 Lgt/Var
20ft Wnd PM(mph) NE 6 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4480 80 5980
Transport Wnd (kts) NE 7 SE 4 S 6
Vent Rate (kt-ft) 31360 320 35880
Max ADI Early 35 Fair 27 Fair 31 Fair
Max ADI Late 40 Fair 3 Very Poor 44 Gen Good
Max LVORI Early 1 5 2
Max LVORI Late 1 5 2
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds
around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the upper 70s. North winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. Southwest winds around 5 mph.
.SATURDAY...Mostly sunny. Highs around 80. South winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
MAZ011-182000-
Eastern Hampden MA-
Including the cities of Chicopee, Holland, Palmer, Southwick,
Springfield, and Westfield
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-13) 46 (-14) 78
RH % (24h trend) 32 (-12) 100 (0) 33
20ft Wnd AM(mph) N 7 G18 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5160 250 6670
Transport Wnd (kts) NE 7 E 4 SE 6
Vent Rate (kt-ft) 36120 1000 40020
Max ADI Early 46 Gen Good 31 Fair 35 Fair
Max ADI Late 44 Gen Good 3 Very Poor 46 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds
around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Lows 58 to 63.
Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
CTZ002-182000-
Hartford CT-
Including the cities of Hartford, Glastonbury, Granby,
Southington, and Windsor Locks
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (-13) 49 (-12) 78
RH % (24h trend) 33 (-12) 86 (-14) 33
20ft Wnd AM(mph) N 8 G20 Lgt/Var
20ft Wnd PM(mph) NE 6 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5370 280 6570
Transport Wnd (kts) NE 7 E 4 SE 7
Vent Rate (kt-ft) 37590 1120 45990
Max ADI Early 50 Gen Good 34 Fair 38 Fair
Max ADI Late 46 Gen Good 3 Very Poor 51 Gen Good
Max LVORI Early 1 3 1
Max LVORI Late 1 3 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. East winds
around 5 mph, becoming southeast around 5 mph in the afternoon.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs around 80. North winds 5 to 10 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 80s. South winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
CTZ003-182000-
Tolland CT-
Including the cities of Mansfield, Stafford Springs, and Vernon
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (-13) 48 (-12) 77
RH % (24h trend) 36 (-14) 80 (-20) 37
20ft Wnd AM(mph) NE 8 G18 Lgt/Var
20ft Wnd PM(mph) NE 7 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5030 180 6150
Transport Wnd (kts) NE 8 E 5 SE 6
Vent Rate (kt-ft) 40240 900 36900
Max ADI Early 48 Gen Good 37 Fair 43 Gen Good
Max ADI Late 42 Gen Good 4 Very Poor 47 Gen Good
Max LVORI Early 1 3 1
Max LVORI Late 1 3 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. Northeast winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
CTZ004-182000-
Windham CT-
Including the cities of Ashford, Plainfield, Putnam,
and Willimantic
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-12) 48 (-13) 78
RH % (24h trend) 36 (-14) 86 (-14) 37
20ft Wnd AM(mph) NE 8 G20 Lgt/Var
20ft Wnd PM(mph) NE 7 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 5080 260 6230
Transport Wnd (kts) NE 9 NE 5 SE 6
Vent Rate (kt-ft) 45720 1300 37380
Max ADI Early 54 Gen Good 44 Gen Good 45 Gen Good
Max ADI Late 51 Gen Good 3 Very Poor 49 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. East winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
RIZ001-182000-
Northwest Providence RI-
Including the cities of Cumberland, Foster, Glocester,
and Smithfield
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-15) 46 (-14) 75
RH % (24h trend) 38 (-14) 93 (-7) 39
20ft Wnd AM(mph) NE 9 G20 Lgt/Var
20ft Wnd PM(mph) NE 8 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4430 230 6210
Transport Wnd (kts) NE 10 NE 5 SE 7
Vent Rate (kt-ft) 44300 1150 43470
Max ADI Early 59 Gen Good 40 Fair 47 Gen Good
Max ADI Late 55 Gen Good 3 Very Poor 54 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
RIZ002-182000-
Southeast Providence RI-
Including the cities of Cranston, Johnston, Pawtucket,
and Providence
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-13) 48 (-15) 77
RH % (24h trend) 37 (-15) 86 (-14) 37
20ft Wnd AM(mph) NE 10 G20 Lgt/Var
20ft Wnd PM(mph) NE 8 G18 SE 5 SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4450 310 6070
Transport Wnd (kts) NE 12 NE 5 E 8
Vent Rate (kt-ft) 53400 1550 48560
Max ADI Early 67 Good 41 Gen Good 48 Gen Good
Max ADI Late 58 Gen Good 3 Very Poor 59 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the upper 70s. North winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
South winds 10 to 15 mph.
$$
RIZ003-182000-
Western Kent RI-
Including the cities of Coventry and West Greenwich
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-13) 49 (-12) 75
RH % (24h trend) 39 (-16) 86 (-14) 41
20ft Wnd AM(mph) NE 10 G21 Lgt/Var
20ft Wnd PM(mph) NE 9 G18 E 5 SE 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4440 240 5530
Transport Wnd (kts) NE 11 NE 6 SE 8
Vent Rate (kt-ft) 48840 1440 44240
Max ADI Early 47 Gen Good 40 Fair 48 Gen Good
Max ADI Late 51 Gen Good 3 Very Poor 56 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. East winds
around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
RIZ004-182000-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-12) 50 (-13) 76
RH % (24h trend) 39 (-14) 86 (-11) 40
20ft Wnd AM(mph) NE 11 G21 NE 5
20ft Wnd PM(mph) NE 11 G19 E 6 SE 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4440 350 5720
Transport Wnd (kts) NE 13 NE 6 E 9
Vent Rate (kt-ft) 57720 2100 51480
Max ADI Early 53 Gen Good 40 Fair 42 Gen Good
Max ADI Late 48 Gen Good 3 Very Poor 45 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the upper 70s. North winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows around 60. Highs in
the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
$$
RIZ005-182000-
Bristol RI-
Including the cities of Barrington, Bristol, and Warren
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-10) 49 (-15) 76
RH % (24h trend) 41 (-20) 86 (-14) 40
20ft Wnd AM(mph) NE 12 G23 NE 5
20ft Wnd PM(mph) NE 11 G20 E 6 SE 8
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4280 340 5870
Transport Wnd (kts) NE 14 NE 6 SE 9
Vent Rate (kt-ft) 59920 2040 52830
Max ADI Early 55 Gen Good 42 Gen Good 55 Gen Good
Max ADI Late 57 Gen Good 4 Very Poor 54 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
around 60. Highs in the mid 70s. North winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
$$
RIZ006-182000-
Washington RI-
Including the cities of Kingston, Narragansett, Richmond,
and Westerly
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-8) 49 (-13) 75
RH % (24h trend) 40 (-17) 93 (-7) 42
20ft Wnd AM(mph) NE 11 G24 NE 5
20ft Wnd PM(mph) NE 10 G20 E 5 SE 8
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4560 260 5120
Transport Wnd (kts) NE 13 E 8 E 10
Vent Rate (kt-ft) 59280 2080 51200
Max ADI Early 52 Gen Good 45 Gen Good 46 Gen Good
Max ADI Late 51 Gen Good 4 Very Poor 47 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the upper 70s. North winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
$$
RIZ007-182000-
Newport RI-
Including the cities of Newport, Portsmouth, and Tiverton
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-8) 50 (-14) 76
RH % (24h trend) 40 (-25) 93 (-7) 39
20ft Wnd AM(mph) NE 13 G24 NE 5
20ft Wnd PM(mph) NE 11 G21 E 6 SE 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4170 330 5110
Transport Wnd (kts) NE 14 NE 8 E 10
Vent Rate (kt-ft) 58380 2640 51100
Max ADI Early 54 Gen Good 46 Gen Good 54 Gen Good
Max ADI Late 53 Gen Good 4 Very Poor 50 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the lower 60s. Highs in the mid 70s. North winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the upper 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
$$
RIZ008-182000-
Block Island RI-
Including the city of New Shoreham
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 71 (-7) 57 (-8) 71
RH % (24h trend) 53 (-26) 80 (-20) 53
20ft Wnd AM(mph) NE 16 G26 E 8
20ft Wnd PM(mph) NE 11 G23 E 8 G18 E 8
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3110 1400 3740
Transport Wnd (kts) NE 19 E 17 E 14
Vent Rate (kt-ft) 59090 23800 52360
Max ADI Early 66 Good 60 Gen Good 59 Gen Good
Max ADI Late 63 Good 12 Poor 58 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds 5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the mid 70s. Northeast winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. South winds 10 to 15 mph.
$$
MAZ017-182000-
Northern Bristol MA-
Including the cities of Attleboro, Berkley, Easton, Mansfield,
Rehoboth, and Taunton
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-14) 44 (-18) 76
RH % (24h trend) 37 (-13) 100 (0) 37
20ft Wnd AM(mph) NE 8 G22 Lgt/Var
20ft Wnd PM(mph) NE 7 G19 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4120 350 5980
Transport Wnd (kts) NE 13 NE 4 E 7
Vent Rate (kt-ft) 53560 1400 41860
Max ADI Early 70 Good 39 Fair 55 Gen Good
Max ADI Late 66 Good 3 Very Poor 61 Good
Max LVORI Early 1 7 1
Max LVORI Late 1 7 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Partly sunny. Highs in the upper 70s. Southeast
winds around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the mid 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs around 80. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ018-182000-
Western Plymouth MA-
Including the cities of Bridgewater, Brockton, Carver,
Middleboro, and Pembroke
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-15) 44 (-18) 75
RH % (24h trend) 38 (-10) 100 (0) 39
20ft Wnd AM(mph) NE 10 G23 Lgt/Var
20ft Wnd PM(mph) NE 9 G22 Lgt/Var E 5
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3650 360 5490
Transport Wnd (kts) NE 15 NE 5 E 8
Vent Rate (kt-ft) 54750 1800 43920
Max ADI Early 72 Good 38 Fair 58 Gen Good
Max ADI Late 59 Gen Good 3 Very Poor 60 Gen Good
Max LVORI Early 1 8 1
Max LVORI Late 1 8 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. Southeast winds
5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the mid 70s. North winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ019-182000-
Eastern Plymouth MA-
Including the cities of Cohasset, Hingham, Marshfield, Plymouth,
and Scituate
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 70 (-15) 48 (-15) 75
RH % (24h trend) 42 (-6) 96 (-4) 41
20ft Wnd AM(mph) NE 14 G24 NE 5
20ft Wnd PM(mph) NE 11 G23 Lgt/Var E 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3710 320 4670
Transport Wnd (kts) NE 18 E 7 E 9
Vent Rate (kt-ft) 66780 2240 42030
Max ADI Early 58 Gen Good 35 Fair 53 Gen Good
Max ADI Late 52 Gen Good 4 Very Poor 50 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60.
Highs in the mid 70s. East winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows around 60.
Highs in the lower 70s. Northeast winds 15 to 20 mph.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. Southwest winds 15 to 20 mph.
.SATURDAY...Sunny. Highs in the upper 70s. Southwest winds 10 to
15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
South winds 10 to 15 mph.
$$
MAZ020-182000-
Southern Bristol MA-
Including the cities of Acushnet, Fall River, New Bedford,
Swansea, and Westport
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-10) 44 (-19) 77
RH % (24h trend) 39 (-22) 100 (0) 39
20ft Wnd AM(mph) NE 11 G24 Lgt/Var
20ft Wnd PM(mph) NE 10 G23 E 5 SE 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4130 290 5720
Transport Wnd (kts) NE 15 NE 9 E 9
Vent Rate (kt-ft) 61950 2610 51480
Max ADI Early 57 Gen Good 43 Gen Good 55 Gen Good
Max ADI Late 56 Gen Good 4 Very Poor 51 Gen Good
Max LVORI Early 1 6 1
Max LVORI Late 1 6 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the upper 50s. Highs in the upper 70s. North winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows around 60. Highs in
the upper 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 15 to 20 mph.
$$
MAZ021-182000-
Southern Plymouth MA-
Including the cities of Marion, Mattapoisett, Rochester,
and Wareham
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-11) 45 (-18) 76
RH % (24h trend) 42 (-19) 100 (0) 40
20ft Wnd AM(mph) NE 12 G24 Lgt/Var
20ft Wnd PM(mph) NE 10 G23 Lgt/Var E 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3730 370 5430
Transport Wnd (kts) NE 16 NE 6 E 9
Vent Rate (kt-ft) 59680 2220 48870
Max ADI Early 58 Gen Good 49 Gen Good 59 Gen Good
Max ADI Late 60 Gen Good 4 Very Poor 60 Gen Good
Max LVORI Early 1 8 1
Max LVORI Late 1 8 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny. Highs in the mid 70s. East winds 5 to
10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper
50s. Highs in the mid 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Northeast
winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows around 60. Highs in
the upper 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
South winds 10 to 15 mph.
$$
MAZ022-182000-
Barnstable MA-
Including the cities of Bourne, Chatham, Falmouth, Hyannis,
Provincetown, and Wellfleet
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0
Temp (24h trend) 71 (-10) 49 (-14) 75
RH % (24h trend) 44 (-15) 96 (-4) 39
20ft Wnd AM(mph) NE 14 G25 NE 5
20ft Wnd PM(mph) NE 12 G24 NE 5 G18 E 7
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3620 290 4710
Transport Wnd (kts) NE 18 E 11 E 10
Vent Rate (kt-ft) 65160 3190 47100
Max ADI Early 61 Good 56 Gen Good 65 Good
Max ADI Late 58 Gen Good 6 Very Poor 49 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 56 to 61. Highs
in the mid 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly cloudy. Lows in the lower 60s.
Northeast winds 15 to 25 mph.
.FRIDAY THROUGH SATURDAY...Breezy. Mostly clear. Lows in the
lower 60s. Highs in the mid 70s. South winds 20 to 25 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
$$
MAZ023-182000-
Dukes MA-
Including the cities of Edgartown, Oak Bluffs, and Vineyard Haven
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (-6) 46 (-17) 73
RH % (24h trend) 46 (-23) 100 (0) 44
20ft Wnd AM(mph) NE 16 G26 E 7
20ft Wnd PM(mph) NE 14 G24 NE 8 G18 E 8
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3310 740 4360
Transport Wnd (kts) NE 19 E 13 E 14
Vent Rate (kt-ft) 62890 9620 61040
Max ADI Early 62 Good 59 Gen Good 66 Good
Max ADI Late 56 Gen Good 8 Poor 54 Gen Good
Max LVORI Early 1 5 1
Max LVORI Late 1 5 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southeast
winds 5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows 53 to 62. Highs
in the mid 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly cloudy. Lows in the lower 60s.
Northeast winds 15 to 25 mph.
.FRIDAY THROUGH SATURDAY...Breezy. Mostly clear. Lows in the
lower 60s. Highs in the mid 70s. South winds 20 to 25 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 10 to 15 mph.
$$
MAZ024-182000-
Nantucket MA-
Including the city of Nantucket
409 AM EDT Mon Aug 18 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type None None None
Chance Precip (%) 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 71 (-7) 50 (-13) 72
RH % (24h trend) 53 (-13) 93 (-7) 44
20ft Wnd AM(mph) NE 19 G27 NE 9 G17
20ft Wnd PM(mph) NE 16 G26 NE 10 G20 E 8
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 3160 2130 4130
Transport Wnd (kts) NE 20 E 17 E 15
Vent Rate (kt-ft) 63200 36210 61950
Max ADI Early 65 Good 50 Gen Good 68 Good
Max ADI Late 63 Good 13 Gen Poor 51 Gen Good
Max LVORI Early 1 4 1
Max LVORI Late 1 4 1
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows around 60.
Highs in the lower 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly cloudy. Lows in the lower 60s.
Northeast winds 15 to 25 mph.
.FRIDAY...Breezy. Mostly sunny. Highs in the lower 70s. North
winds 15 to 25 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the mid 70s. South winds 10 to 15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation above normal.
$$
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