Point Forecast Matrices
Issued by NWS Key West, FL

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Point Forecast Matrices
National Weather Service Key West FL
404 PM EDT Mon Sep 1 2025

FLZ078-020800-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
404 PM EDT Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      81          92          81          91          81
Temp          89 84 83 83 83 83 88 90 90 85 84 83 82 83 88 89 89 85 84 83 82 83
Dewpt         78 78 77 77 77 78 78 78 78 77 77 77 77 78 78 78 79 78 78 77 77 78
RH            70 82 82 82 82 85 72 68 68 77 80 82 85 85 72 70 73 80 82 82 85 85
Wind dir       W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW  W  W
Wind spd      10 10  9  6  6  6  8  9  9  9  8  6  6  6  9 11 10  8  6  6  8  9
Clouds        B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 B1 SC B1
PoP 12hr                     50          60          50          50          50
QPF 12hr                   0.26        0.24        0.33        0.95        0.25
Rain shwrs     L  C  C  C  C  L  L  L  L  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  C  C  C  C  C  C
Heat index   103 95 92 92 92 93102105105 96 94 92 90 93102103105 97 95 92 90 93
Max heat        105    94    93   105   105    96    93   103   105    97    93


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      81    91      81    92      81    92      81    91
Temp          89 85   83 83 89 85   83 83 90 86   83 83 90 85   83 83 90 85
Dewpt         78 78   77 78 78 77   77 77 77 76   76 77 78 77   76 77 78 77
PWind dir         W       W     W      SW    SW      NE     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B1 SC SC B1   B1 SC SC B1   B1 SC SC SC   B1 SC SC B1
PoP 12hr         50      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  C  C
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
FLZ077-020800-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
404 PM EDT Mon Sep 1 2025

Date           09/01/25      Tue 09/02/25            Wed 09/03/25            Thu
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      80          90          81          90          81
Temp          88 84 84 83 83 83 87 89 88 86 85 83 82 83 87 88 88 85 84 83 82 83
Dewpt         76 76 76 77 76 76 77 77 76 76 76 76 77 77 77 77 76 76 76 77 77 76
RH            68 77 77 82 80 80 72 68 68 72 75 80 85 82 72 70 68 75 77 82 85 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      10 10  9  8  5  4  6  9 10 10  8  6  6  8  9 10 10  8  8  8  8  9
Clouds        B1 B1 SC SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1
PoP 12hr                     60          60          50          50          50
QPF 12hr                   0.26        0.23        0.15        0.87        0.34
Rain shwrs     L  L  L  L  L  L  L  L  L  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  C  C  C  C  C  C
Heat index    99 93 93 92 91 91 99102 99 96 94 91 90 92 99100 99 94 93 92 90 91
Max heat        102    94    91   102   102    96    92   100   100    94    91


Date           09/04  Fri 09/05/25  Sat 09/06/25  Sun 09/07/25  Mon 09/08/25
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      81    90      81    90      81    90      81    90
Temp          88 85   83 83 88 86   84 83 88 86   83 83 88 85   83 84 90 85
Dewpt         77 76   77 76 77 76   77 76 76 75   76 76 76 75   76 76 76 75
PWind dir         W       W     W      SW    SW       E     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B1 B1 SC B1   B1 B1 SC B1   B1 SC B1 B1   B1 B1 B1 B1
PoP 12hr         50      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  C  C
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$