630
CDUS42 KKEY 312134
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
534 PM EDT TUE MAR 31 2026
...............................
..THE MARATHON CLIMATE SUMMARY FOR MARCH 31 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 81 328 PM 88 2019 82 -1 84
2020
2023
MINIMUM 75 638 AM 58 1971 70 5 75
2003
AVERAGE 78 76 2 80
PRECIPITATION (IN)
TODAY T 1.44 1958 0.06 -0.06 0.00
MONTH TO DATE 3.55 1.33 2.22 0.13
SINCE MAR 1 3.55 1.33 2.22 0.13
SINCE JAN 1 4.42 4.67 -0.25 2.63
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 5 -5 0
SINCE MAR 1 0 5 -5 0
SINCE JUL 1 112 71 41 31
COOLING
TODAY 13 11 2 15
MONTH TO DATE 345 302 43 293
SINCE MAR 1 345 302 43 293
SINCE JAN 1 647 708 -61 715
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 17.9
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 84
LOWEST 60
AVERAGE 72
......................................................
THE MARATHON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 89 2017
2023
MINIMUM TEMPERATURE (F) 70 53 1987
SUNRISE AND SUNSET
MARCH 31 2026.........SUNRISE 717 AM EDT SUNSET 740 PM EDT
APRIL 1 2026.........SUNRISE 716 AM EDT SUNSET 741 PM EDT
- 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