578  
CDUS46 KSEW 310116  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SAT AUG 30 2025  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 71 459 PM 92 2022 76 -5 87  
MINIMUM 48 333 AM 36 1977 49 -1 47  
AVERAGE 60 63 -3 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.82 1990 0.04 -0.04 0.00  
MONTH TO DATE 1.11 0.91 0.20 1.38  
SINCE OCT 1 38.98 48.53 -9.55 47.04  
SINCE JAN 1 18.08 27.40 -9.32 26.68  
 
DEGREE DAYS  
HEATING  
TODAY 5 3 2 0  
MONTH TO DATE 25 66 -41 55  
SINCE JUN 1 237 328 -91 260  
SINCE JUL 1 72 139 -67 79  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 91 47 44 51  
SINCE JUN 1 187 106 81 173  
SINCE JAN 1 187 108 79 176    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 66 300 PM  
AVERAGE 83  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1987  
MINIMUM TEMPERATURE (F) 49 38 1964  
1973  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 629 AM PDT SUNSET 754 PM PDT  
AUGUST 31 2025........SUNRISE 630 AM PDT SUNSET 752 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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