252  
CDUS46 KSEW 120826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT SUN JUL 12 2026  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 11 2026
 
 
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)  
YESTERDAY  
MAXIMUM 76 409 PM 98 2007 77 -1 84  
MINIMUM 57 225 AM 49 1960 56 1 59  
AVERAGE 67 67 0 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.25 1983 0.03 -0.03 0.00  
MONTH TO DATE T 0.27 -0.27 T  
SINCE OCT 1 35.93 36.43 -0.50 27.76  
SINCE JAN 1 19.15 20.49 -1.34 14.36  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 14 17 -3 5  
SINCE JUN 1 109 135 -26 99  
SINCE JUL 1 14 17 -3 5  
 
COOLING  
YESTERDAY 2 3 -1 7  
MONTH TO DATE 13 23 -10 33  
SINCE JUN 1 84 52 32 75  
SINCE JAN 1 94 62 32 78    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 100 AM  
LOWEST 38 200 PM  
AVERAGE 59  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 1961  
MINIMUM TEMPERATURE (F) 57 47 1954  
 
SUNRISE AND SUNSET  
JULY 12 2026..........SUNRISE 525 AM PDT SUNSET 904 PM PDT  
JULY 13 2026..........SUNRISE 526 AM PDT SUNSET 904 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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