798
CDUS42 KKEY 182130
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
530 PM EDT TUE AUG 18 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 18 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 91 1227 PM 96 1991 92 -1 93
MINIMUM 77 606 AM 70 2007 80 -3 80
AVERAGE 84 86 -2 87
PRECIPITATION (IN)
TODAY 0.00 6.61 2008 0.17 -0.17 0.00
MONTH TO DATE 0.40 2.90 -2.50 2.56
SINCE JUN 1 4.91 10.90 -5.99 10.24
SINCE JAN 1 15.76 21.04 -5.28 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 19 21 -2 22
MONTH TO DATE 372 378 -6 374
SINCE JUN 1 1616 1585 31 1581
SINCE JAN 1 3188 3208 -20 3265
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 66
AVERAGE 80
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 92 96 2022
MINIMUM TEMPERATURE (F) 80 73 1955
1963
1989
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 700 AM EDT SUNSET 756 PM EDT
AUGUST 19 2026........SUNRISE 700 AM EDT SUNSET 755 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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