914  
CDUS46 KSEW 020116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT THU OCT 01 2026  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 68 349 PM 89 1987 66 2 67  
MINIMUM 51 445 AM 35 1950 51 0 54  
AVERAGE 60 58 2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.56 1981 0.08 -0.08 0.30  
MONTH TO DATE 0.00 0.08 -0.08 0.30  
SINCE OCT 1 0.00 0.08 -0.08 0.30  
SINCE JAN 1 21.59 23.48 -1.89 16.57  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0  
MONTH TO DATE MM 0.0  
SINCE OCT 1 MM 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 7 -2 4  
MONTH TO DATE 5 7 -2 4  
SINCE SEP 1 138 109 29 55  
SINCE JUL 1 163 164 -1 79  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 2 30 -28 34  
SINCE JAN 1 267 263 4 328    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 80 1200 AM  
AVERAGE 85  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 80 2022  
MINIMUM TEMPERATURE (F) 50 35 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 708 AM PDT SUNSET 648 PM PDT  
OCTOBER 2 2026.......SUNRISE 710 AM PDT SUNSET 646 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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