Point Forecast Matrices
Issued by NWS Key West, FL

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Point Forecast Matrices
National Weather Service Key West FL
355 AM EDT Wed Sep 3 2025

FLZ078-032000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
355 AM EDT Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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                      91          79          91          80          91
Temp          82 82 87 89 88 84 82 81 80 83 87 89 88 84 83 82 82 84 87 89 89 85
Dewpt         77 77 78 78 78 77 77 77 77 78 78 78 78 77 78 78 78 78 78 78 78 77
RH            85 85 75 70 72 80 85 88 91 85 75 70 72 80 85 88 88 82 75 70 70 77
Wind dir       W  W  W  W  W  W  W SW  W  W  W  W  W SW SW SW SW SW SW SW SW SW
Wind spd       8  8  8  9  9  8  8  8  9 10 11 11  9  8  9 10 10  9  9  9  6  5
Clouds        B1 B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     80          80          80          70          70
QPF 12hr                   0.80        0.10        0.71        0.26        0.65
Rain shwrs     L  D  D  D  D  D  D  D  D  D  D  D  D  L  L  L  L  L  L  L  L  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    90 90100103102 94 90 88 87 93100103102 94 93 91 91 95100103103 96
Max heat         92   103   103    92    93   103   102    94    95   103   103


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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          80    91      81    91      81    91      80    92
Temp          82 83 89 85   83 83 89 85   83 83 89 85   82 83 90 85
Dewpt         77 77 77 76   77 77 77 76   77 77 77 77   77 77 78 77
PWind dir        SW    SW       S     E       E    SE       E    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 B1 B1   SC SC SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         50    50      40    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

$$
FLZ077-032000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
355 AM EDT Wed Sep 3 2025

Date             Wed 09/03/25            Thu 09/04/25            Fri 09/05/25
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          79          89          80          89
Temp          82 82 86 87 87 85 83 82 80 83 86 87 87 84 83 82 82 84 87 87 87 84
Dewpt         76 76 76 76 76 75 76 76 76 76 77 77 77 76 76 76 76 76 77 77 76 75
RH            82 82 72 70 70 72 80 82 88 80 75 72 72 77 80 82 82 77 72 72 70 74
Wind dir       W  W  W  W  W  W  W SW SW SW  W  W  W SW SW SW SW SW SW SW SW SW
Wind spd       6  6  6  8  8  8  8  6  8  9 10 10 10 10 10 10  9  9  9  9  8  6
Clouds        B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     80          80          80          80          80
QPF 12hr                   0.67        0.26        1.26        0.31        0.77
Rain shwrs     L  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  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    89 89 96 98 98 94 91 89 86 91 97 99 99 93 91 89 89 93 99 99 98 92
Max heat         91   100   100    91    91    99    99    93    93    99    99


Date          Sat 09/06/25  Sun 09/07/25  Mon 09/08/25  Tue 09/09/25
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          80    90      81    90      80    90      80    90
Temp          82 83 88 85   83 83 88 85   82 83 88 85   82 83 88 85
Dewpt         76 76 76 75   76 76 76 75   76 76 76 75   77 76 76 75
PWind dir        SW    SW       S    SE      SE    SE       E    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC 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

$$