859
CDUS42 KKEY 192017
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
417 PM EDT FRI SEP 19 2025
...............................
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 19 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 88 300 PM 92 1951 89 -1 88
1987
MINIMUM 78 626 AM 70 1890 79 -1 83
AVERAGE 83 84 -1 86
PRECIPITATION (IN)
TODAY 0.00 4.23 1963 0.26 -0.26 0.00
MONTH TO DATE 8.54 4.67 3.87 0.61
SINCE SEP 1 8.54 4.67 3.87 0.61
SINCE JAN 1 32.74 27.99 4.75 36.60
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 18 19 -1 21
MONTH TO DATE 347 370 -23 417
SINCE SEP 1 347 370 -23 417
SINCE JAN 1 3876 3806 70 4126
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 72
AVERAGE 84
......................................................
THE KEY WEST CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2018
MINIMUM TEMPERATURE (F) 79 70 1890
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 715 AM EDT SUNSET 726 PM EDT
SEPTEMBER 20 2025.....SUNRISE 715 AM EDT SUNSET 725 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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