589
CDUS46 KSEW 250116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT SUN AUG 24 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 24 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 90R 459 PM 88 1982 77 13 62
MINIMUM 63 500 AM 45 1951 57 6 55
AVERAGE 77 67 10 59
PRECIPITATION (IN)
TODAY 0.00 1.00 2004 0.04 -0.04 0.34
MONTH TO DATE 1.14 0.69 0.45 1.52
SINCE OCT 1 28.91 37.45 -8.54 35.17
SINCE JAN 1 15.51 21.51 -6.00 18.02
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 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 6
MONTH TO DATE 2 17 -15 20
SINCE JUN 1 117 166 -49 159
SINCE JUL 1 23 48 -25 27
COOLING
TODAY 12 2 10 0
MONTH TO DATE 98 84 14 69
SINCE JUN 1 259 209 50 252
SINCE JAN 1 262 219 43 259
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 600 AM
LOWEST 26 400 PM
AVERAGE 50
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2016
MINIMUM TEMPERATURE (F) 57 45 1954
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 618 AM PDT SUNSET 804 PM PDT
AUGUST 25 2025........SUNRISE 619 AM PDT SUNSET 802 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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