Point Forecast Matrices
Issued by NWS Key West, FL

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FOUS52 KKEY 241819
PFMKEY

Point Forecast Matrices
National Weather Service Key West FL
218 PM EDT Mon Aug 24 2026

FLZ078-242000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
218 PM EDT Mon Aug 24 2026

Date             Mon 08/24/26            Tue 08/25/26            Wed 08/26/26
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          83          90          83          90
Temp                      90 87 86 84 84 85 88 89 90 87 86 84 84 85 88 89 90 87
Dewpt                     75 75 75 76 75 76 76 77 77 77 77 77 77 77 77 78 78 78
RH                        62 68 70 77 74 75 68 68 66 72 75 80 80 77 70 70 68 75
Wind dir                   E  E  E  E  E  E  E  E  E  E  E  E SE SE SE SE  E  E
Wind spd                   5  5  6  8  8  8  8  6  8  9 10 10 10 10 10 10 10 11
Clouds                    FW FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          10          30          50          50
QPF 12hr                      0           0        0.03        0.06        0.06
Rain shwrs                 S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                      S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C
Heat index               101 96 95 93 92 94 99102103 99 97 94 94 96100103105100
Max heat               99   102    95    94   102   103    97    96   103   105


Date          Thu 08/27/26  Fri 08/28/26  Sat 08/29/26  Sun 08/30/26
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          83    91      82    92      82    92      83    92
Temp          84 85 90 87   84 84 89 87   84 84 90 87   84 85 90 87
Dewpt         78 78 78 78   78 77 77 78   78 78 78 78   78 78 78 78
PWind dir         E    SE       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      30    20      40    50      50    40
Rain shwrs     C  C  C  C    C  C  S  S    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  S  S    C  C  C  C    C  C  C  C

$$
FLZ077-242000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
218 PM EDT Mon Aug 24 2026

Date             Mon 08/24/26            Tue 08/25/26            Wed 08/26/26
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                      91          83          91          83          91
Temp                      91 88 86 84 84 84 90 91 91 88 86 84 84 84 90 91 91 88
Dewpt                     75 75 75 76 76 76 76 77 76 77 77 77 77 77 77 78 77 77
RH                        60 66 70 77 77 77 64 64 62 70 75 80 80 80 66 66 64 70
Wind dir                   E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E
Wind spd                   6  6  6  8  6  6  6  8  9  9 10 10 10 10 10 10 10 11
Clouds                    FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          20          30          50          50
QPF 12hr                      0           0        0.02        0.18        0.04
Rain shwrs                 S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms                      S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C
Heat index               102 98 95 93 93 93102105103100 97 94 94 94103106105100
Max heat              102   102    96    93   105   105    99    94   106   106


Date          Thu 08/27/26  Fri 08/28/26  Sat 08/29/26  Sun 08/30/26
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          83    91      83    91      83    90      83    90
Temp          84 84 91 87   86 85 88 87   86 86 88 87   85 84 88 87
Dewpt         78 77 78 77   78 77 78 78   78 78 78 78   78 78 78 78
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         50    50      30    30      40    50      50    30
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

$$