812  
CDUS42 KKEY 032018  
CLIEYW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
418 PM EDT WED SEP 03 2025  
   
...............................
 
 
   
..THE KEY WEST CLIMATE SUMMARY FOR SEPTEMBER 3 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 1157 AM 95 2007 90 -2 91  
MINIMUM 79 215 PM 70 1886 80 -1 83  
AVERAGE 84 85 -1 87  
 
PRECIPITATION (IN)  
TODAY 0.26 3.38 1894 0.25 0.01 0.00  
MONTH TO DATE 1.64 0.74 0.90 0.00  
SINCE SEP 1 1.64 0.74 0.90 0.00  
SINCE JAN 1 25.84 24.06 1.78 35.99  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 20 -1 22  
MONTH TO DATE 56 60 -4 64  
SINCE SEP 1 56 60 -4 64  
SINCE JAN 1 3585 3496 89 3773    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 73  
AVERAGE 87  
   
......................................................
 
 
THE KEY WEST CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 94 1877  
2015  
MINIMUM TEMPERATURE (F) 80 70 1890  
1958  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2025.....SUNRISE 709 AM EDT SUNSET 743 PM EDT  
SEPTEMBER 4 2025.....SUNRISE 709 AM EDT SUNSET 742 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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