088
CDUS46 KSEW 280827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE OCT 28 2025
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 324 PM 67 1968 57 -3 57
MINIMUM 41 1157 PM 31 1970 45 -4 47
AVERAGE 48 51 -3 52
PRECIPITATION (IN)
YESTERDAY 0.01 1.23 1967 0.16 -0.15 0.68
MONTH TO DATE 2.81 3.23 -0.42 2.43
SINCE OCT 1 2.81 3.23 -0.42 2.43
SINCE JAN 1 19.08 26.63 -7.55 21.21
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 17 14 3 13
MONTH TO DATE 290 289 1 269
SINCE SEP 1 341 391 -50 375
SINCE JUL 1 365 446 -81 413
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 6 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 59 400 PM
AVERAGE 76
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 68 2017
MINIMUM TEMPERATURE (F) 44 29 1946
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 748 AM PDT SUNSET 558 PM PDT
OCTOBER 29 2025.......SUNRISE 749 AM PDT SUNSET 556 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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