657
CDUS42 KKEY 172017
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
417 PM EDT WED SEP 17 2025
...............................
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 1154 AM 92 1990 89 -3 90
2018
2019
MINIMUM 75 1034 AM 69 1985 79 -4 81
AVERAGE 81 84 -3 86
PRECIPITATION (IN)
TODAY 0.45 3.46 1985 0.26 0.19 0.12
MONTH TO DATE 7.24 4.14 3.10 0.26
SINCE SEP 1 7.24 4.14 3.10 0.26
SINCE JAN 1 31.44 27.46 3.98 36.25
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 16 19 -3 21
MONTH TO DATE 313 332 -19 378
SINCE SEP 1 313 332 -19 378
SINCE JAN 1 3842 3768 74 4087
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 74
AVERAGE 87
......................................................
THE KEY WEST CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 2023
MINIMUM TEMPERATURE (F) 79 70 1891
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 714 AM EDT SUNSET 728 PM EDT
SEPTEMBER 18 2025.....SUNRISE 714 AM EDT SUNSET 727 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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