Climatological Report (Daily)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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CDUS42 KKEY 180535
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
135 AM EDT FRI SEP 18 2026
...................................
...THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
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)
YESTERDAY
MAXIMUM 88 1009 AM 92 1990 89 -1 86
2018
2019
MINIMUM 78 225 PM 69 1985 79 -1 75
AVERAGE 83 84 -1 81
PRECIPITATION (IN)
YESTERDAY 0.51 3.46 1985 0.26 0.25 0.47
MONTH TO DATE 5.73 4.14 1.59 7.26
SINCE SEP 1 5.73 4.14 1.59 7.26
SINCE JAN 1 24.41 27.46 -3.05 31.46
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 19 -1 16
MONTH TO DATE 349 332 17 313
SINCE SEP 1 349 332 17 313
SINCE JAN 1 4061 3768 293 3842
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 70
AVERAGE 82
..........................................................
THE KEY WEST CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 2023
MINIMUM TEMPERATURE (F) 79 70 1891
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.
$$