Point Forecast Matrices
Issued by NWS Key West, FL

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Point Forecast Matrices
National Weather Service Key West FL
358 AM EDT Sat Oct 17 2026

FLZ078-172000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
358 AM EDT Sat Oct 17 2026

Date             Sat 10/17/26            Sun 10/18/26            Mon 10/19/26
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                      87          75          85          75          86
Temp          80 80 84 85 85 81 80 79 77 76 81 83 83 80 79 77 77 77 81 84 84 82
Dewpt         76 75 75 76 76 76 76 75 75 75 74 75 74 74 73 73 73 73 73 73 72 72
RH            88 85 74 75 75 85 88 88 94 97 79 77 74 82 82 87 87 87 77 70 67 72
Wind dir       E  E  E NE  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd       3  3  3  4  5  8  9 11 14 16 16 13 13 17 17 17 17 24 23 20 20 19
Clouds        B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW SC
PoP 12hr                     60          90          80          20          30
QPF 12hr                   0.32        0.35        0.47        0.04        0.04
Rain shwrs     L  L  L  L  L  D  D  D  D  D  D  D  D  S  S  S  S  C  C  C  C  S
Tstms          C  C  C  C  C  C  C  C  C  C  C  C  C              S  S  S  S
Heat index    86 85 92 94 94 87 86          86 90 90 85             86 90 90 87
Max heat         87    94    96    86          90    92    85          90    90


Date          Tue 10/20/26  Wed 10/21/26  Thu 10/22/26  Fri 10/23/26
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          75    86      75    86      74    84      74    84
Temp          78 76 83 82   78 77 83 81   78 76 82 80   77 75 81 79
Dewpt         73 73 72 73   72 72 72 70   70 70 70 68   68 69 69 67
PWind dir        NE    NE      NE    NE      NE    NE      NE    NE
Wind char        BZ    BZ      BZ    BZ      GN    BZ      GN    GN
Avg clouds    SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20    20      10    20      10    20      20    20
Rain shwrs     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$
FLZ077-172000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
358 AM EDT Sat Oct 17 2026

Date             Sat 10/17/26            Sun 10/18/26            Mon 10/19/26
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                      86          76          84          76          85
Temp          81 80 83 84 84 82 81 79 78 77 80 82 82 80 79 79 78 78 80 83 83 82
Dewpt         76 76 76 75 75 76 75 75 74 74 74 75 74 73 73 72 72 72 72 72 72 72
RH            85 88 80 74 74 82 82 88 88 90 82 79 77 79 82 79 82 82 77 70 70 72
Wind dir       E  E NE NE NW  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd       3  3  2  3  4  8  9 11 13 14 13 14 14 17 16 14 14 16 16 17 18 14
Wind gust                                                        32 29 27    27
Clouds        B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 B1 B1 SC SC SC FW FW FW SC
PoP 12hr                     50          90          80          30          30
QPF 12hr                   0.18        0.24        0.33        0.05        0.04
Rain shwrs     C  C  C  C  C  D  D  D  D  D  D  D  D  C  C  C  C  C  C  C  C  S
Tstms          S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
Heat index    87 86 91 92 92 89 87          85 89 88 84             84 88 88 87
Max heat         89    92    94    89          89    90                88    90


Date          Tue 10/20/26  Wed 10/21/26  Thu 10/22/26  Fri 10/23/26
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          75    85      76    85      75    84      75    83
Temp          78 77 82 82   79 77 82 82   78 77 81 81   78 76 81 81
Dewpt         72 72 72 72   71 72 71 70   70 71 69 68   69 70 68 67
PWind dir        NE    NE      NE    NE      NE    NE      NE    NE
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20    20      10    20      10    20      20    30
Rain shwrs     S  S  S  S    S  S  S  S    S  S  S  S    S  S  C  C

$$