Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS42 KKEY 172132
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
532 PM EDT MON AUG 17 2026
...................................
...THE MARATHON CLIMATE SUMMARY FOR AUGUST 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 249 PM 96 1993 92 -3 89
MINIMUM 83 545 AM 70 1953 80 3 79
AVERAGE 86 86 0 84
PRECIPITATION (IN)
TODAY 0.00 0.60 1989 0.17 -0.17 0.09
MONTH TO DATE 0.40 2.73 -2.33 2.56
SINCE JUN 1 4.91 10.73 -5.82 10.24
SINCE JAN 1 15.76 20.87 -5.11 15.68
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 21 21 0 19
MONTH TO DATE 355 357 -2 352
SINCE JUN 1 1599 1564 35 1559
SINCE JAN 1 3171 3187 -16 3243
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.2
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 82
LOWEST 63
AVERAGE 73
..........................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 96 1991
MINIMUM TEMPERATURE (F) 80 70 2007
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 700 AM EDT SUNSET 757 PM EDT
AUGUST 18 2026........SUNRISE 700 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$