696  
CDUS46 KSEW 190118  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT MON AUG 18 2025  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 75 343 PM 96 2022 78 -3 79  
MINIMUM 57 513 AM 33 1973 50 7 52  
AVERAGE 66 64 2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.71 1975 0.03 -0.03 0.12  
MONTH TO DATE 1.05 0.42 0.63 0.70  
SINCE OCT 1 38.92 48.04 -9.12 46.36  
SINCE JAN 1 18.02 26.91 -8.89 26.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 13 36 -23 12  
SINCE JUN 1 225 298 -73 217  
SINCE JUL 1 60 109 -49 36  
 
COOLING  
TODAY 1 1 0 1  
MONTH TO DATE 46 35 11 49  
SINCE JUN 1 142 94 48 171  
SINCE JAN 1 142 96 46 174    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 40 300 PM  
AVERAGE 65  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 2016  
MINIMUM TEMPERATURE (F) 50 35 1973  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 613 AM PDT SUNSET 816 PM PDT  
AUGUST 19 2025........SUNRISE 615 AM PDT SUNSET 815 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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