830
CDUS46 KSEW 050116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT MON AUG 04 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 4 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 71 341 PM 95 1993 79 -8 85
MINIMUM 58 651 AM 44 1950 58 0 57
AVERAGE 65 68 -3 71
PRECIPITATION (IN)
TODAY 0.00 0.61 1962 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.09 -0.09 0.00
SINCE OCT 1 27.77 36.85 -9.08 33.65
SINCE JAN 1 14.37 20.91 -6.54 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 1 0 1 0
SINCE JUN 1 116 149 -33 139
SINCE JUL 1 22 31 -9 7
COOLING
TODAY 0 4 -4 6
MONTH TO DATE 2 16 -14 31
SINCE JUN 1 163 141 22 214
SINCE JAN 1 166 151 15 221
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 100 AM
LOWEST 55 200 PM
AVERAGE 68
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2012
MINIMUM TEMPERATURE (F) 58 46 1947
SUNRISE AND SUNSET
AUGUST 4 2025........SUNRISE 552 AM PDT SUNSET 838 PM PDT
AUGUST 5 2025........SUNRISE 553 AM PDT SUNSET 837 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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