594
CDUS46 KSEW 030117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SAT AUG 02 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 2 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 73 450 PM 91 2017 79 -6 86
MINIMUM 58 650 AM 46 1953 58 0 63
AVERAGE 66 68 -2 75
PRECIPITATION (IN)
TODAY 0.00 0.76 1996 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.04 -0.04 0.00
SINCE OCT 1 27.77 36.80 -9.03 33.65
SINCE JAN 1 14.37 20.86 -6.49 16.50
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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 115 149 -34 139
SINCE JUL 1 21 31 -10 7
COOLING
TODAY 1 4 -3 10
MONTH TO DATE 2 8 -6 20
SINCE JUN 1 163 133 30 203
SINCE JAN 1 166 143 23 210
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 AM
LOWEST 63 300 PM
AVERAGE 80
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 2017
MINIMUM TEMPERATURE (F) 58 46 1956
SUNRISE AND SUNSET
AUGUST 2 2025........SUNRISE 549 AM PDT SUNSET 841 PM PDT
AUGUST 3 2025........SUNRISE 550 AM PDT SUNSET 840 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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