Climatological Report (Daily)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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CDUS42 KKEY 182143
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
543 PM EDT FRI SEP 18 2026
...................................
...THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 359 PM 93 2023 89 -2 86
MINIMUM 81 659 AM 70 1891 79 2 75
AVERAGE 84 84 0 81
PRECIPITATION (IN)
TODAY 0.00 2.55 1879 0.27 -0.27 1.28
MONTH TO DATE 5.73 4.41 1.32 8.54
SINCE SEP 1 5.73 4.41 1.32 8.54
SINCE JAN 1 24.41 27.73 -3.32 32.74
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 19 0 16
MONTH TO DATE 368 351 17 329
SINCE SEP 1 368 351 17 329
SINCE JAN 1 4080 3787 293 3858
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 67
AVERAGE 79
..........................................................
THE KEY WEST CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1951
1987
MINIMUM TEMPERATURE (F) 79 70 1890
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 714 AM EDT SUNSET 727 PM EDT
SEPTEMBER 19 2026.....SUNRISE 715 AM EDT SUNSET 726 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$