939
CDUS42 KKEY 202140
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
540 PM EDT THU AUG 20 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 20 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 90 1203 PM 95 2010 92 -2 93
2012
2022
MINIMUM 85 721 AM 70 1963 80 5 82
AVERAGE 88 86 2 88
PRECIPITATION (IN)
TODAY T 2.96 2023 0.16 -0.16 0.00
MONTH TO DATE 0.40 3.23 -2.83 2.56
SINCE JUN 1 4.91 11.23 -6.32 10.24
SINCE JAN 1 15.76 21.37 -5.61 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 23 21 2 23
MONTH TO DATE 418 420 -2 420
SINCE JUN 1 1662 1627 35 1627
SINCE JAN 1 3234 3250 -16 3311
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 70
AVERAGE 76
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 97 1952
MINIMUM TEMPERATURE (F) 80 71 1975
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 701 AM EDT SUNSET 754 PM EDT
AUGUST 21 2026........SUNRISE 701 AM EDT SUNSET 753 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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