Point Forecast Matrices
Issued by NWS Key West, FL

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FOUS52 KKEY 192008
PFMKEY

Point Forecast Matrices
National Weather Service Key West FL
408 PM EDT Sat Sep 19 2026

FLZ078-200800-
Key West-Monroe FL
24.55N  81.75W Elev. 3 ft
408 PM EDT Sat Sep 19 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            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                      78          90          79          90          79
Temp          88 84 82 81 80 81 86 88 87 83 82 81 80 81 86 88 87 83 82 81 80 82
Dewpt         75 75 75 75 75 75 75 75 75 74 75 75 75 75 75 75 75 74 75 75 75 75
RH            66 74 79 82 85 82 70 66 68 74 79 82 85 82 70 66 68 74 79 82 85 79
Wind dir       E  E  E SE  S SW SW SW SW  S  S  S  S SW SW SW  S  S  S  S  S  S
Wind spd       3  4  5  5  4  3  2  2  3  3  4  5  6  6  5  4  3  3  5  9  6  4
Clouds        SC SC B1 SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1
PoP 12hr                     60          60          60          60          60
QPF 12hr                   0.20        0.16        0.11        0.25        0.19
Rain shwrs     C  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L
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    98 92 89 87 85 87 95 98 96 90 89 87 85 87 95 98 96 90 89 87 85 89
Max heat         99    89    87    98    98    89    87    98    98    90    89


Date           09/22  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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      79    90      79    90      80    90      81    90
Temp          88 85   81 81 87 84   81 82 87 84   82 82 88 85   81 82 88 84
Dewpt         76 75   76 76 77 76   76 76 77 76   76 76 76 75   76 76 76 75
PWind dir         S      SE    SE      SE    SE      SE     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B2 B2 B2   B2 B2 B2 B1   B1 B1 SC SC   SC SC SC SC
PoP 12hr         70      80    80      70    60      50    50      50    60
Rain shwrs     L  L    D  D  D  D    L  L  L  L    C  C  C  C    C  C  L  L
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
FLZ077-200800-
Marathon-Monroe FL
24.72N  81.04W Elev. 5 ft
408 PM EDT Sat Sep 19 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            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                      79          88          80          88          81
Temp          86 84 83 82 81 82 85 86 86 84 83 82 81 82 85 86 86 84 83 83 82 83
Dewpt         74 75 75 75 75 75 75 75 74 74 74 75 75 75 75 75 74 74 75 75 75 75
RH            68 74 77 79 82 79 72 70 68 72 74 79 82 79 72 70 68 72 77 77 79 77
Wind dir       E  E SE SE  S  S  S  S  S  S  S  S  S SW SW  S  S  S  S  S  S  S
Wind spd       3  4  5  4  3  1  1  3  3  4  4  5  6  6  5  4  3  3  5  8  6  4
Clouds        SC SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1
PoP 12hr                     60          60          60          60          60
QPF 12hr                   0.19        0.10        0.12        0.25        0.15
Rain shwrs     C  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L  L
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    94 92 90 89 87 89 94 95 94 91 90 89 87 89 94 95 94 91 90 90 89 90
Max heat         95    90    89    95    96    90    89    95    95    91    90


Date           09/22  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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          89      80    88      80    88      80    88      81    88
Temp          87 85   83 83 86 85   83 82 86 85   83 81 86 85   83 82 86 85
Dewpt         75 75   76 76 76 76   76 76 76 76   76 76 76 75   75 76 76 75
PWind dir         S      SE    SE      SE    SE       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B2 B2 B2   B2 B2 B1 B1   B1 B1 SC SC   SC SC SC SC
PoP 12hr         60      80    80      70    70      50    60      50    60
Rain shwrs     L  L    D  D  D  D    L  L  L  L    C  C  L  L    C  C  L  L
Tstms          C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$