Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
411 FOUS51 KLWX 101138 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Thu Oct 10 2024 VAZ054-102000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 46 70 52 78 Temp 50 57 62 63 57 54 51 48 46 59 66 68 61 58 55 53 53 67 75 76 69 Dewpt 38 38 37 37 39 39 40 39 39 40 39 40 41 43 45 44 43 45 49 49 50 RH 63 49 39 38 51 57 66 71 76 49 37 36 48 57 69 71 69 45 40 39 51 Wind dir N N N N N N N NW NW NW W W SW SW W W W W NW NW NW Wind spd 6 11 11 11 8 8 8 8 8 9 10 9 6 8 8 8 8 9 10 9 6 Clouds CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 78 58 66 47 60 46 60 Temp 62 57 76 71 65 58 65 58 52 47 57 55 49 46 58 56 Dewpt 51 51 52 52 53 49 42 39 39 38 36 36 37 37 37 37 PWind dir NE S SW NW NW NW NW NW Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC B1 B1 SC SC SC SC B1 SC FW FW SC PoP 12hr 5 20 30 5 5 5 5 5 Rain shwrs S C $$ MDZ013-102000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 42 68 50 76 Temp 46 55 61 61 54 48 45 42 43 58 66 67 58 54 52 51 52 67 74 74 66 Dewpt 38 37 36 37 39 39 38 38 38 40 40 41 43 44 43 41 42 47 51 52 52 RH 73 51 39 41 57 71 76 86 82 51 38 39 57 69 71 68 69 49 44 46 61 Wind dir NW N N N N N N NW NW NW W W W W W W W W NW NW NW Wind spd 6 12 12 12 5 5 4 4 4 9 10 10 4 5 6 6 5 6 8 6 3 Clouds CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 76 55 64 44 58 42 59 Temp 59 54 74 68 61 56 63 54 47 44 56 52 45 42 57 53 Dewpt 50 50 54 55 55 51 43 42 39 39 38 38 37 38 40 41 PWind dir NE S SW W NW NW NW NW Wind char LT LT GN GN LT GN LT GN Avg clouds SC B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC FW SC PoP 12hr 5 20 40 5 5 5 5 5 Rain shwrs S C $$ MDZ011-102000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 45 70 55 78 Temp 49 57 62 63 57 54 51 48 46 60 67 69 63 60 57 56 55 69 75 76 69 Dewpt 37 36 36 36 37 38 38 38 38 39 39 40 43 43 43 41 42 46 49 50 50 RH 63 45 38 36 47 54 61 68 73 46 36 35 48 53 59 57 61 44 40 40 51 Wind dir NW N N N N N N N NW NW W W W W W W W NW NW NW NW Wind spd 5 11 11 11 5 5 5 5 5 9 10 10 5 5 6 6 5 8 8 6 3 Clouds CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 78 57 67 47 60 45 61 Temp 63 57 75 71 65 57 66 58 51 47 58 56 49 45 59 57 Dewpt 49 49 51 53 53 48 41 40 39 37 36 36 37 37 38 38 PWind dir NE S SW W NW NW NW NW Wind char LT LT GN GN LT GN LT GN Avg clouds SC B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC FW SC PoP 12hr 10 20 40 10 5 5 5 5 Rain shwrs S C $$ WVZ052-102000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 61 37 67 44 74 Temp 43 53 59 60 51 45 42 39 39 54 64 66 55 50 47 46 47 63 72 72 62 Dewpt 36 38 37 37 38 37 37 36 36 40 39 41 41 40 39 38 41 47 50 51 50 RH 76 57 44 42 61 73 82 89 89 59 40 40 59 68 74 73 79 56 46 48 65 Wind dir NW N N N NW NW NW NW W NW W W SW SW W W W NW NW NW NW Wind spd 5 10 10 10 4 3 3 3 2 8 9 8 3 3 4 4 4 6 8 6 2 Clouds CL CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL SC SC SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 74 50 60 39 55 37 56 Temp 54 50 71 64 58 51 59 49 43 40 53 49 41 38 54 49 Dewpt 50 49 52 52 51 46 40 39 37 36 36 35 36 36 38 38 PWind dir SW S W W NW NW W NW Wind char LT LT LT GN LT GN LT GN Avg clouds SC B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 30 30 10 10 10 5 10 Rain shwrs S S C C $$ VAZ506-102000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 40 68 46 76 Temp 45 55 61 61 53 48 44 41 41 57 65 67 57 52 48 46 48 66 75 75 64 Dewpt 37 38 39 38 39 39 39 37 38 41 41 41 43 43 43 41 41 47 51 53 52 RH 73 53 44 42 59 71 82 85 89 55 41 39 59 71 83 83 77 50 43 46 65 Wind dir NW N N N N N N NW NW NW NW W SW SW W W W NW NW NW NW Wind spd 5 12 11 12 5 4 3 4 4 10 10 9 3 4 4 4 4 5 6 5 3 Clouds CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 76 55 63 43 58 40 59 Temp 57 53 74 68 61 55 63 53 47 43 55 52 44 41 57 53 Dewpt 52 51 55 55 55 49 43 40 39 38 38 37 37 37 41 40 PWind dir NW S SW NW NW NW NW NW Wind char LT LT GN GN LT GN LT GN Avg clouds SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC FW SC PoP 12hr 10 20 30 5 5 5 5 5 Rain shwrs S C $$ VAZ037-102000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 38 69 44 77 Temp 44 57 62 63 53 47 44 40 39 57 67 68 56 51 48 45 45 65 75 75 64 Dewpt 36 39 39 38 39 38 38 36 37 40 40 43 43 43 42 39 38 45 48 53 50 RH 73 51 43 39 59 71 79 85 92 53 37 40 62 74 80 79 76 48 38 46 60 Wind dir N NE N NE N N N NW NW N SW S SW W W W W W W SW SW Wind spd 4 9 8 8 4 3 2 2 2 6 6 6 3 3 3 3 4 2 2 2 2 Clouds CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 76 54 65 42 58 39 59 Temp 56 51 75 67 61 54 65 54 46 42 58 50 44 39 57 52 Dewpt 49 49 51 52 52 47 40 38 37 37 35 35 36 36 36 37 PWind dir W SW SW W NW NW NW NW Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW SC FW SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 0 10 20 5 5 5 5 5 Rain shwrs S $$ MDZ003-102000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 61 36 68 46 74 Temp 42 53 59 60 51 44 41 37 38 55 65 67 56 50 48 47 48 65 72 71 62 Dewpt 36 37 37 37 37 37 36 36 36 40 41 42 42 42 40 39 41 48 51 51 50 RH 79 54 44 42 59 76 82 96 92 57 41 40 59 74 74 74 77 54 48 49 65 Wind dir NW N N N N N N N NW W W W SW SW SW W W NW NW NW N Wind spd 5 12 11 11 5 4 3 3 2 8 10 9 4 3 4 4 4 6 8 5 3 Clouds CL CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL FW FW FW SC B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 72 50 60 39 55 37 57 Temp 55 51 69 64 58 51 59 49 42 39 53 49 42 38 54 50 Dewpt 50 49 54 54 52 46 42 39 38 36 37 35 36 36 40 40 PWind dir NE S W W NW NW NW NW Wind char LT LT LT GN LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW SC SC SC PoP 12hr 20 40 40 10 10 10 5 5 Rain shwrs S S C C $$ MDZ017-102000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 51 70 53 78 Temp 54 59 62 63 60 56 55 53 52 62 67 70 61 58 56 55 55 68 74 75 67 Dewpt 42 42 41 40 42 43 43 43 44 44 43 43 45 48 48 47 49 49 50 53 53 RH 64 53 46 43 51 62 64 69 74 52 42 38 56 69 74 74 80 51 43 46 61 Wind dir N N N N N N N N N N NW W W W W W W W W NW W Wind spd 12 17 14 13 10 10 10 9 8 11 10 9 6 8 9 9 6 6 6 5 4 Clouds SC SC FW CL CL CL CL CL FW CL CL CL CL CL CL CL CL CL FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 78 60 71 48 62 47 62 Temp 62 61 76 70 66 61 70 59 52 49 59 56 49 49 60 57 Dewpt 53 54 56 56 55 53 48 43 41 42 39 39 40 41 41 42 PWind dir W S SW NW NW NW NW NW Wind char LT GN GN GN GN GN GN GN Avg clouds FW SC FW SC SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 0 5 20 5 10 5 5 5 Rain shwrs S $$ WVZ502-102000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 31 73 43 78 Temp 39 53 63 64 50 42 37 33 32 54 69 72 56 49 46 43 44 63 75 75 63 Dewpt 35 38 36 37 38 37 36 33 32 38 38 39 40 38 36 36 37 45 49 50 49 RH 85 57 36 37 63 82 96100100 54 32 30 55 66 68 76 76 52 40 41 60 Wind dir W N N N N S S SW SW W NW NW W W W W W W NW W W Wind spd 2 8 8 9 3 2 2 2 2 6 5 6 3 4 4 5 4 4 5 5 2 Clouds FW CL CL CL CL CL CL FW FW CL CL CL CL CL CL CL CL FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Freeze A A A Frost Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 79 47 60 36 55 34 58 Temp 53 51 77 66 57 48 59 49 41 37 53 48 39 34 56 50 Dewpt 48 46 51 52 50 43 39 37 36 34 34 33 35 33 36 37 PWind dir SW SW W W NW NW W NW Wind char LT GN LT GN LT GN LT LT Avg clouds SC SC SC SC B1 B1 B1 B1 SC B1 SC SC SC SC SC FW PoP 12hr 10 30 30 20 10 10 5 5 Rain shwrs S C C S $$ MDZ014-102000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 47 67 53 74 Temp 51 55 59 61 57 54 52 48 48 57 64 67 61 57 56 55 55 66 72 73 67 Dewpt 40 39 39 39 41 42 42 41 41 42 41 43 44 45 47 46 45 47 51 53 53 RH 66 55 47 44 55 64 69 77 77 57 43 42 53 64 72 72 69 50 48 49 61 Wind dir N N N N N N N N NW NW W W W W W W W W NW NW NW Wind spd 9 13 12 12 8 8 6 6 6 10 10 10 6 8 9 9 6 9 10 8 4 Clouds FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 74 57 64 47 58 46 58 Temp 62 59 72 69 64 58 62 58 52 47 57 55 50 46 57 56 Dewpt 52 51 54 56 55 51 45 43 41 40 38 39 40 41 40 41 PWind dir NE S SW W NW NW NW NW Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC FW SC PoP 12hr 5 10 30 5 5 5 5 5 Rain shwrs C $$