Point Forecast Matrices
Issued by NWS Key West, FL

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FOUS52 KKEY 040800
PFMKEY

Point Forecast Matrices
National Weather Service Key West FL
400 AM EDT Fri Sep 4 2026

FLZ078-042000-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
400 AM EDT Fri Sep 4 2026

Date             Fri 09/04/26            Sat 09/05/26            Sun 09/06/26
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                      93          82          92          81          92
Temp          84 85 89 91 91 87 85 84 84 84 88 90 90 86 85 84 83 84 88 90 90 86
Dewpt         77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 76 77 76 77 76 76
RH            80 77 68 64 64 72 77 80 80 80 70 66 66 75 77 80 80 80 68 66 64 72
Wind dir      SE SE  E  E  E  E  E SE SE SE SE  E  E  E SE SE SE SE  S  S SE SE
Wind spd       4  4  3  3  4  5  6  6  5  5  4  3  4  5  6  6  4  4  2  1  1  3
Clouds        FW FW FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr                     40          40          30          40          50
QPF 12hr                   0.10        0.04        0.04        0.01        0.03
Rain shwrs     S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms          S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index    94 96102105105 99 96 94 94 94100103103 97 96 94 91 94 99103102 96
Max heat         96   105   106    97    94   103   105    96    94   103   103


Date          Mon 09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26
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    92      82    93      83    92
Temp          83 83 90 87   83 84 90 87   84 85 90 88   84 85 90 87
Dewpt         76 76 77 76   77 77 77 76   77 78 78 77   78 78 78 77
PWind dir        SE     S      SE    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      GN    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    30      40    20      30    30      40    30
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

$$
FLZ077-042000-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
400 AM EDT Fri Sep 4 2026

Date             Fri 09/04/26            Sat 09/05/26            Sun 09/06/26
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          86 86 88 88 88 86 86 86 85 85 87 88 88 86 86 86 85 85 86 88 88 86
Dewpt         77 77 77 78 77 77 77 77 77 77 77 77 76 76 77 77 77 76 77 77 76 76
RH            75 75 70 72 70 75 75 75 77 77 72 70 68 72 75 75 77 75 75 70 68 72
Wind dir      SE SE  E  E  E  E  E SE SE SE SE SE  E  E SE SE SE SE  S  S  S SE
Wind spd       4  4  4  4  5  5  8  8  6  6  5  4  4  5  6  6  4  3  2  1  1  2
Clouds        SC SC B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     40          40          40          40          50
QPF 12hr                   0.10        0.03        0.07        0.02        0.04
Rain shwrs     S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Tstms          S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Heat index    97 97100102100 97 97 97 96 96 99100 99 96 97 97 96 94 97100 99 96
Max heat         97   102   102    97    96   100   100    97    97   100   100


Date          Mon 09/07/26  Tue 09/08/26  Wed 09/09/26  Thu 09/10/26
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      83    90      83    91      83    90
Temp          85 84 88 87   85 85 89 87   86 85 89 88   86 85 88 87
Dewpt         76 76 77 76   76 77 77 77   77 77 78 77   78 77 78 77
PWind dir         S     S      SE    SE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
PoP 12hr         30    30      40    20      30    30      50    20
Rain shwrs     C  C  C  C    C  C  S  S    C  C  C  C    C  C  S  S
Tstms          C  C  C  C    C  C  S  S    C  C  C  C    C  C  S  S

$$