096  
CDUS46 KSEW 280117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT WED MAY 27 2026  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 27 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 75 432 PM 89 2005 68 7 75  
MINIMUM 48 241 AM 37 1966 51 -3 48  
AVERAGE 62 59 3 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 1948 0.05 -0.05 0.00  
MONTH TO DATE 0.76 1.65 -0.89 0.71  
SINCE OCT 1 34.21 34.48 -0.27 27.22  
SINCE JAN 1 17.43 18.54 -1.11 13.82  
 
SNOWFALL (IN)  
TODAY 0.0 T 1951 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 3.0 2.3  
SINCE JUL 1 3.0 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 6 -3 3  
MONTH TO DATE 180 218 -38 232  
SINCE MAR 1 1136 1187 -51 1159  
SINCE JUL 1 3886 4234 -348 4316  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 1 5 0  
SINCE JAN 1 6 1 5 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 42 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1983  
MINIMUM TEMPERATURE (F) 51 38 1954  
 
SUNRISE AND SUNSET  
MAY 27 2026...........SUNRISE 520 AM PDT SUNSET 854 PM PDT  
MAY 28 2026...........SUNRISE 519 AM PDT SUNSET 855 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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