964
CDUS46 KSEW 040827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SAT OCT 04 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2025...
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)
YESTERDAY
MAXIMUM 64 308 PM 80 1993 65 -1 66
MINIMUM 50 511 AM 39 1949 50 0 44
AVERAGE 57 58 -1 55
PRECIPITATION (IN)
YESTERDAY 0.00 0.67 1997 0.08 -0.08 0.00
MONTH TO DATE 0.30 0.24 0.06 T
SINCE OCT 1 0.30 0.24 0.06 T
SINCE JAN 1 16.57 23.64 -7.07 18.78
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 7 1 10
MONTH TO DATE 15 21 -6 26
SINCE SEP 1 66 123 -57 132
SINCE JUL 1 90 178 -88 170
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 34 30 4 42
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 63 300 PM
AVERAGE 82
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 76 1966
MINIMUM TEMPERATURE (F) 50 38 1957
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 713 AM PDT SUNSET 642 PM PDT
OCTOBER 5 2025.......SUNRISE 714 AM PDT SUNSET 640 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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