836  
CDUS46 KSEW 280118  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SAT SEP 27 2025  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1941 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 79 430 PM 93 1967 68 11 71  
MINIMUM 50 629 AM 25 1972 44 6 47  
AVERAGE 65 56 9 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1953 0.09 -0.09 0.04  
MONTH TO DATE 0.67 1.75 -1.08 1.91  
SINCE OCT 1 39.65 50.33 -10.68 48.95  
SINCE JAN 1 18.75 29.20 -10.45 28.59  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 6  
MONTH TO DATE 83 156 -73 102  
SINCE SEP 1 83 156 -73 102  
SINCE JUL 1 155 296 -141 181  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 11 3 8 33  
SINCE SEP 1 11 3 8 33  
SINCE JAN 1 201 108 93 214    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 43 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 2017  
MINIMUM TEMPERATURE (F) 44 30 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2025.....SUNRISE 706 AM PDT SUNSET 658 PM PDT  
SEPTEMBER 28 2025.....SUNRISE 707 AM PDT SUNSET 656 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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