715  
CDUS46 KSEW 110117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT THU JUL 10 2025  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 10 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 73 443 PM 90 1945 77 -4 88  
MINIMUM 57 920 AM 46 1960 56 1 61  
AVERAGE 65 66 -1 75  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1981 0.02 -0.02 0.00  
MONTH TO DATE T 0.24 -0.24 0.00  
SINCE OCT 1 27.76 36.40 -8.64 33.49  
SINCE JAN 1 14.36 20.46 -6.10 16.34  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.3 0.3  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 5 16 -11 2  
SINCE JUN 1 99 134 -35 134  
SINCE JUL 1 5 16 -11 2  
 
COOLING  
TODAY 0 2 -2 10  
MONTH TO DATE 26 20 6 82  
SINCE JUN 1 68 49 19 101  
SINCE JAN 1 71 59 12 108    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 51 400 PM  
AVERAGE 65  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 2007  
MINIMUM TEMPERATURE (F) 56 49 1960  
 
SUNRISE AND SUNSET  
JULY 10 2025..........SUNRISE 523 AM PDT SUNSET 906 PM PDT  
JULY 11 2025..........SUNRISE 524 AM PDT SUNSET 905 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WA Page
Main Text Page