Point Forecast Matrices
Issued by NWS Key West, FL

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FOUS52 KKEY 120814
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Point Forecast Matrices
National Weather Service Key West FL
413 AM EDT Sat Sep 12 2026

FLZ078-122000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
413 AM EDT Sat Sep 12 2026

Date             Sat 09/12/26            Sun 09/13/26            Mon 09/14/26
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                      92          82          92          81          92
Temp          84 84 90 92 92 86 83 82 82 83 90 92 92 85 82 81 81 82 90 92 92 85
Dewpt         78 78 78 78 77 77 77 78 77 77 77 77 77 76 76 77 76 77 77 77 76 76
RH            82 82 68 64 62 75 82 88 85 82 66 62 62 75 82 88 85 85 66 62 60 75
Wind dir      SE SE  S  E  E  E SE  S  S  S  S NE  N NE  E  E  E  E  E  E  E NE
Wind spd       9  6  5  3  4  5  6  5  5  4  3  2  4  4  4  5  4  4  5  5  5  5
Clouds        SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     50          30          40          30          40
QPF 12hr                   0.07        0.03        0.04           0        0.03
Rain shwrs     C  C  C  C  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  C  C  C  C
Heat index    95 95105107106 97 92 91 90 92103106106 94 89 88 87 90103106105 94
Max heat         95   107   106    95    92   106   106    94    90   106   105


Date          Tue 09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26
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          81    92      81    91      80    91      81    91
Temp          81 82 92 87   83 83 89 85   82 83 89 86   83 83 89 86
Dewpt         77 77 77 77   77 77 77 76   77 76 77 76   76 77 77 76
PWind dir         E     E       E     E       E     E       E    SE
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC B1 SC SC
PoP 12hr         40    50      60    80      80    60      50    50
Rain shwrs     C  C  C  C    L  L  D  D    D  D  L  L    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
FLZ077-122000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
413 AM EDT Sat Sep 12 2026

Date             Sat 09/12/26            Sun 09/13/26            Mon 09/14/26
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                      90          82          90          82          90
Temp          85 84 89 89 90 86 84 83 82 84 89 89 90 86 84 83 82 84 89 89 90 86
Dewpt         78 78 78 78 77 77 78 78 77 77 77 77 77 76 77 77 76 77 77 77 76 76
RH            80 82 70 70 66 75 82 85 85 80 68 68 66 72 80 82 82 80 68 68 64 72
Wind dir      SE SE SE SE  E  E SE  S  S  S  S SE SE  E  E  E  E  E  E  E  E  E
Wind spd       9  6  5  3  4  5  6  5  4  4  3  3  3  4  4  5  5  4  5  4  4  6
Clouds        B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     50          30          40          30          30
QPF 12hr                   0.08           0        0.01           0        0.03
Rain shwrs     C  C  C  C  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  C  C  C  C
Heat index    97 95103103103 97 95 93 90 94102102103 96 94 92 89 94102102102 96
Max heat         98   103   105    97    94   102   103    96    94   102   103


Date          Tue 09/15/26  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26
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          82    90      82    89      81    89      82    89
Temp          83 84 89 87   85 84 87 85   84 83 87 86   84 84 87 86
Dewpt         77 77 77 77   77 77 77 76   76 76 77 76   77 76 77 76
PWind dir         E     E       E     E       E     E       E    SE
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC B1   SC SC SC SC   SC B1 SC SC
PoP 12hr         40    50      60    80      80    70      60    60
Rain shwrs     C  C  C  C    L  L  D  D    D  D  L  L    L  L  L  L
Tstms          C  C  C  C    C  C  C  C    C  C  C  C    L  L  C  C

$$