994  
CDUS46 KSEW 200119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT TUE MAY 19 2026  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 19 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 65 343 PM 88 1963 67 -2 61  
MINIMUM 51 622 AM 38 1975 49 2 47  
AVERAGE 58 58 0 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 1968 0.06 -0.06 0.24  
MONTH TO DATE 0.49 1.21 -0.72 0.60  
SINCE OCT 1 33.94 34.04 -0.10 27.11  
SINCE JAN 1 17.16 18.10 -0.94 13.71  
 
SNOWFALL (IN)  
TODAY 0.0 T 1993 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 7 7 0 11  
MONTH TO DATE 137 167 -30 182  
SINCE MAR 1 1093 1136 -43 1109  
SINCE JUL 1 3843 4183 -340 4266  
 
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 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 58 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1963  
MINIMUM TEMPERATURE (F) 50 40 1960  
 
SUNRISE AND SUNSET  
MAY 19 2026...........SUNRISE 527 AM PDT SUNSET 845 PM PDT  
MAY 20 2026...........SUNRISE 526 AM PDT SUNSET 846 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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