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 Mon Sep 1 2025

FLZ078-012000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
358 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      92          81          92          81          91
Temp          81 83 88 90 89 84 83 83 83 83 88 90 90 85 84 83 82 83 88 89 89 85
Dewpt         77 78 78 78 78 78 77 77 77 78 78 78 78 77 77 77 77 78 78 78 79 78
RH            88 85 72 68 70 82 82 82 82 85 72 68 68 77 80 82 85 85 72 70 73 80
Wind dir       W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd       6  8  8  9 10 10  9  6  6  6  8  9  9  9  8  6  6  6  9 11 10  8
Clouds        SC B1 SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2 B1 B1
PoP 12hr                     70          50          60          50          50
QPF 12hr                   0.37        0.22        0.14        0.14        0.32
Rain shwrs     C  L  L  L  L  C  C  C  C  L  L  L  L  C  C  C  C  C  C  C  C  C
Tstms          C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index    88 93102105103 95 92 92 92 93102105105 96 94 92 90 93102103105 97
Max heat         93   105   105    94    93   105   105    96    93   103   105


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          81    91      81    91      81    92      81    92
Temp          83 83 89 85   83 83 89 85   83 83 90 86   83 83 90 85
Dewpt         77 78 78 78   77 78 78 77   77 77 77 76   76 77 78 77
PWind dir         W     W       W     W      SW    SW      NE     E
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 SC SC B1   B1 SC SC B1   B1 SC SC SC
PoP 12hr         50    50      50    50      50    50      50    50
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
FLZ077-012000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
358 AM EDT Mon Sep 1 2025

Date             Mon 09/01/25            Tue 09/02/25            Wed 09/03/25
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                      90          80          90          81          90
Temp          81 83 87 88 88 84 84 83 83 83 87 89 88 86 85 83 82 83 87 88 88 85
Dewpt         76 76 77 77 76 76 76 77 76 76 77 77 76 76 76 76 77 77 77 77 76 76
RH            85 80 72 70 68 77 77 82 80 80 72 68 68 72 75 80 85 82 72 70 68 75
Wind dir       W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd       6  8  8  9 10 10  9  8  5  4  6  9 10 10  8  6  6  8  9 10 10  8
Clouds        B1 SC B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 B1 B1
PoP 12hr                     70          60          60          50          50
QPF 12hr                   0.88        0.16        0.14        0.15        0.39
Rain shwrs     C  L  L  L  L  L  L  L  L  L  L  L  L  C  C  C  C  C  C  C  C  C
Tstms          C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index    87 91 99100 99 93 93 92 91 91 99102 99 96 94 91 90 92 99100 99 94
Max heat         93   100   102    94    91   102   102    96    92   100   100


Date          Thu 09/04/25  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25
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          81    90      81    90      81    90      81    90
Temp          83 83 88 85   83 83 88 86   84 83 88 86   83 83 88 85
Dewpt         77 76 77 76   77 76 77 76   77 76 76 75   76 76 76 75
PWind dir         W     W       W     W      SW    SW       E     E
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 SC B1   B1 B1 SC B1   B1 SC B1 B1
PoP 12hr         50    50      50    50      50    50      50    50
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$