765  
CDUS46 KSEW 130135  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
635 PM PDT SUN OCT 12 2025  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 56 222 PM 72 2006 62 -6 66  
MINIMUM 49 459 PM 36 2021 48 1 45  
AVERAGE 53 55 -2 56  
 
PRECIPITATION (IN)  
TODAY 0.06 0.70 1998 0.11 -0.05 0.00  
MONTH TO DATE 0.47 1.15 -0.68 0.78  
SINCE OCT 1 0.47 1.15 -0.68 0.78  
SINCE JAN 1 16.74 24.55 -7.81 19.56  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 12 10 2 9  
MONTH TO DATE 89 102 -13 101  
SINCE SEP 1 140 204 -64 207  
SINCE JUL 1 164 259 -95 245  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 34 30 4 42  
SINCE JAN 1 328 263 65 315    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 62 200 PM  
AVERAGE 76  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 75 1961  
2022  
MINIMUM TEMPERATURE (F) 48 35 1954  
 
SUNRISE AND SUNSET  
OCTOBER 12 2025.......SUNRISE 724 AM PDT SUNSET 626 PM PDT  
OCTOBER 13 2025.......SUNRISE 726 AM PDT SUNSET 624 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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