Point Forecast Matrices
Issued by NWS Key West, FL

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Point Forecast Matrices
National Weather Service Key West FL
401 PM EDT Tue Aug 11 2026

FLZ078-120800-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
401 PM EDT Tue Aug 11 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            Fri
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                      85          92          85          91          85
Temp          91 87 85 86 86 87 89 91 91 87 85 86 85 87 88 90 90 87 85 86 86 87
Dewpt         76 76 76 76 76 76 76 76 76 75 75 75 75 75 75 75 75 75 75 76 76 76
RH            62 70 75 72 72 70 66 62 62 68 72 70 72 68 66 62 62 68 72 72 72 70
Wind dir       E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E NE  E  E  E  E
Wind spd       9  9  9  8  8  6  5  4  4  4  4  5  5  4  4  3  4  4  6  9  9  8
Clouds        FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           5           5          10          10
QPF 12hr                      0           0           0           0           0
Rain shwrs        S  S  S  S                          S  S  S  S  S  S  S  S  C
Tstms             S  S  S  S                          S  S  S  S  S  S  S  S  C
Heat index   103 98 94 96 96 98100103103 96 94 95 94 96 98101101 96 94 96 96 98
Max heat        106    98    98   103   105    96    96   101   102    96    98


Date           08/14  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26  Tue 08/18/26
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    92      82    92      82    91      81    92
Temp          91 86   83 84 90 87   84 84 90 87   84 84 89 87   84 84 89 87
Dewpt         77 78   78 78 78 78   78 77 77 77   77 76 76 76   76 76 76 76
PWind dir         E       E     E       E     E       E     E      NE     E
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW FW   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      30    10      10     0       0     0       5     5
Rain shwrs     C  C    C  C  S  S    S  S
Tstms          C  C    C  C

$$
FLZ077-120800-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
401 PM EDT Tue Aug 11 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            Fri
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                      84          92          84          92          84
Temp          91 90 90 90 89 90 92 92 92 91 90 90 90 90 92 92 92 91 90 90 90 90
Dewpt         76 76 76 76 76 76 76 76 74 74 75 75 75 75 75 75 75 75 75 76 76 76
RH            62 64 64 64 66 64 60 60 56 58 62 62 62 62 58 58 58 60 62 64 64 64
Wind dir       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E
Wind spd      10 10  8  6  6  5  4  3  2  2  3  4  4  4  3  3  3  3  6  9  8  6
Clouds        FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           5          10          10          10
QPF 12hr                      0           0           0           0           0
Rain shwrs     S  S  S  S  S                          S  S  S  S  S  S  S  S  C
Tstms          S  S  S  S  S                          S  S  S  S  S  S  S  S  C
Heat index   103102102102100102105105102101101101101101103103103102101102102102
Max heat        103   102   102   105   103   102   101   103   103   102   102


Date           08/14  Sat 08/15/26  Sun 08/16/26  Mon 08/17/26  Tue 08/18/26
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      82    90      83    90      82    90      82    90
Temp          92 86   85 83 88 87   86 84 88 87   85 84 88 87   84 84 88 87
Dewpt         77 78   79 78 78 77   78 77 77 76   77 76 75 75   76 76 76 75
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      30    10      10     5       0     5       5    10
Rain shwrs     C  C    C  C
Tstms          C  C    C  C

$$