251
CDUS42 KKEY 170530
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
130 AM EDT THU SEP 17 2026
...............................
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 16 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 90 400 PM 94 1872 89 1 89
MINIMUM 80 200 AM 71 1899 79 1 82
1925
1935
AVERAGE 85 84 1 86
PRECIPITATION (IN)
YESTERDAY 0.77 5.04 1935 0.26 0.51 0.00
MONTH TO DATE 5.22 3.88 1.34 6.79
SINCE SEP 1 5.22 3.88 1.34 6.79
SINCE JAN 1 23.90 27.20 -3.30 30.99
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 20 19 1 21
MONTH TO DATE 331 313 18 297
SINCE SEP 1 331 313 18 297
SINCE JAN 1 4043 3749 294 3826
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.0
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 91
LOWEST 65
AVERAGE 78
......................................................
THE KEY WEST CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1990
2018
2019
MINIMUM TEMPERATURE (F) 79 69 1985
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 714 AM EDT SUNSET 729 PM EDT
SEPTEMBER 18 2026.....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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page