Point Forecast Matrices
Issued by NWS Key West, FL

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FOUS52 KKEY 122002
PFMKEY

Point Forecast Matrices
National Weather Service Key West FL
402 PM EDT Sat Sep 12 2026

FLZ078-130800-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
402 PM EDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      82          92          81          92          81
Temp          92 86 83 82 82 83 90 92 92 85 82 81 81 82 90 92 92 85 82 81 81 82
Dewpt         77 77 77 78 77 77 77 77 77 76 76 77 76 77 77 77 76 76 76 77 76 77
RH            62 75 82 88 85 82 66 62 62 75 82 88 85 85 66 62 60 75 82 88 85 85
Wind dir       E  E SE  S  S  S  S NE  N NE  E  E  E  E  E  E  E NE  E  E  E  E
Wind spd       4  5  6  5  5  4  3  2  4  4  4  5  4  4  5  5  5  5  8  8  8  8
Clouds        SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          40          30          40          40
QPF 12hr                   0.03        0.04           0        0.03           0
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   106 97 92 91 90 92103106106 94 89 88 87 90103106105 94 89 88 87 90
Max heat        106    95    92   106   106    94    90   106   105    93    90


Date           09/15  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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          92      81    90      81    90      80    91      81    90
Temp          92 87   83 83 88 84   83 83 88 85   83 83 89 86   83 83 88 86
Dewpt         77 76   77 77 77 76   76 77 77 76   77 77 77 76   76 76 76 75
PWind dir         E       E     E       E     E       E    SE       E     E
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC SC   B1 SC SC SC   SC SC SC SC   SC B1 B1 SC   B1 B1 SC SC
PoP 12hr         50      70    80      80    60      60    60      50    50
Rain shwrs     C  C    L  L  D  D    D  D  L  L    L  L  L  L    C  C  C  C
Tstms          C  C    C  C  L  L    C  C  C  C    C  C  C  C    C  C  C  C

$$
FLZ077-130800-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
402 PM EDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                      82          90          82          90          82
Temp          90 86 84 83 82 84 89 89 90 86 84 83 82 84 89 89 90 86 84 83 82 84
Dewpt         77 77 78 78 77 77 77 77 77 76 77 77 76 77 77 77 76 76 76 77 76 77
RH            66 75 82 85 85 80 68 68 66 72 80 82 82 80 68 68 64 72 77 82 82 80
Wind dir       E  E SE  S  S  S  S SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       4  5  6  5  4  4  3  3  3  4  4  5  5  4  5  4  4  6  8  8  8  9
Clouds        SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          40          30          30          40
QPF 12hr                      0        0.01           0        0.03           0
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   103 97 95 93 90 94102102103 96 94 92 89 94102102102 96 93 92 89 94
Max heat        103    97    94   102   103    96    94   102   103    94    94


Date           09/15  Wed 09/16/26  Thu 09/17/26  Fri 09/18/26  Sat 09/19/26
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      82    88      81    88      82    89      82    89
Temp          89 87   85 84 86 85   84 83 87 85   84 83 87 85   83 84 87 85
Dewpt         77 76   77 77 77 76   76 76 77 76   76 76 77 76   76 76 76 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC   SC SC FW SC   SC SC SC B1   SC B1 SC B1   B1 B1 SC B1
PoP 12hr         50      70    80      80    70      60    60      40    50
Rain shwrs     C  C    L  L  D  D    D  D  L  L    L  L  L  L    C  C  C  C
Tstms          C  C    C  C  L  L    C  C  L  L    C  C  C  C    C  C  C  C

$$