608  
CDUS46 KSEW 300831  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
131 AM PDT MON MAR 30 2026  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 29 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 46 1231 PM 78 2004 56 -10 56  
MINIMUM 35 1149 PM 24 1954 41 -6 41  
AVERAGE 41 49 -8 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 1.08 2012 0.12 0.12 T  
MONTH TO DATE 6.71 3.93 2.78 5.07  
SINCE OCT 1 30.68 29.41 1.27 23.87  
SINCE JAN 1 13.90 13.47 0.43 10.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1982 0.0  
MONTH TO DATE 3.0 0.0  
SINCE OCT 1 3.0 2.3  
SINCE JUL 1 3.0 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 16 8 16  
MONTH TO DATE 544 525 19 516  
SINCE MAR 1 544 525 19 516  
SINCE JUL 1 3294 3572 -278 3673  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 PM  
LOWEST 68 1200 PM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 72 1995  
MINIMUM TEMPERATURE (F) 41 27 1954  
 
SUNRISE AND SUNSET  
MARCH 30 2026.........SUNRISE 652 AM PDT SUNSET 736 PM PDT  
MARCH 31 2026.........SUNRISE 650 AM PDT SUNSET 738 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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