Climatological Report (Daily)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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797
CDUS42 KKEY 182130
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
530 PM EDT TUE AUG 18 2026
...................................
...THE KEY WEST CLIMATE SUMMARY FOR AUGUST 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 93 104 PM 95 1956 91 2 94
MINIMUM 80 609 AM 70 1901 81 -1 79
AVERAGE 87 86 1 87
PRECIPITATION (IN)
TODAY 0.00 8.32 1926 0.17 -0.17 0.00
MONTH TO DATE 1.80 2.82 -1.02 2.80
SINCE JUN 1 11.15 10.68 0.47 10.54
SINCE JAN 1 17.42 20.77 -3.35 22.41
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 22 21 1 22
MONTH TO DATE 380 378 2 372
SINCE JUN 1 1645 1582 63 1589
SINCE JAN 1 3432 3177 255 3257
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 56
AVERAGE 72
..........................................................
THE KEY WEST CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 91 94 1956
1957
2017
MINIMUM TEMPERATURE (F) 81 72 1898
1929
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 703 AM EDT SUNSET 758 PM EDT
AUGUST 19 2026........SUNRISE 703 AM EDT SUNSET 758 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$