917
CDUS42 KKEY 042141
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
441 PM EST SUN JAN 04 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 4 2026
VALID TODAY AS OF 0400 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 78 301 PM 87 2019 76 2 68
MINIMUM 64 651 AM 49 1962 65 -1 60
2002
2012
AVERAGE 71 70 1 64
PRECIPITATION (IN)
TODAY 0.00 0.94 1994 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.19 -0.19 0.00
SINCE DEC 1 1.42 2.39 -0.97 2.78
SINCE JAN 1 0.00 0.19 -0.19 0.00
DEGREE DAYS
HEATING
TODAY 0 1 -1 1
MONTH TO DATE 6 4 2 1
SINCE DEC 1 12 21 -9 2
SINCE JUL 1 17 22 -5 2
COOLING
TODAY 6 6 0 0
MONTH TO DATE 7 27 -20 24
SINCE DEC 1 309 283 26 254
SINCE JAN 1 7 27 -20 24
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.3
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 87
LOWEST 60
AVERAGE 74
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 86 1973
MINIMUM TEMPERATURE (F) 65 47 1953
2001
SUNRISE AND SUNSET
JANUARY 4 2026.......SUNRISE 710 AM EST SUNSET 549 PM EST
JANUARY 5 2026.......SUNRISE 710 AM EST SUNSET 550 PM EST
- 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