375  
CDUS46 KSEW 230119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT SAT AUG 22 2026  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 2026...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 257 PM 89 2018 77 -1 89  
MINIMUM 59 703 AM 45 1960 57 2 57  
AVERAGE 68 67 1 73  
 
PRECIPITATION (IN)  
TODAY T 1.41 2001 0.04 -0.04 0.00  
MONTH TO DATE T 0.62 -0.62 1.14  
SINCE OCT 1 36.35 37.38 -1.03 28.91  
SINCE JAN 1 19.57 21.44 -1.87 15.51  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 3.0 2.3  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 15 -14 2  
SINCE JUN 1 116 164 -48 117  
SINCE JUL 1 21 46 -25 23  
 
COOLING  
TODAY 3 3 0 8  
MONTH TO DATE 79 79 0 75  
SINCE JUN 1 237 204 33 236  
SINCE JAN 1 247 214 33 239    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 50 300 PM  
AVERAGE 72  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 1988  
MINIMUM TEMPERATURE (F) 57 46 1955  
 
SUNRISE AND SUNSET  
AUGUST 22 2026........SUNRISE 615 AM PDT SUNSET 808 PM PDT  
AUGUST 23 2026........SUNRISE 616 AM PDT SUNSET 806 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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