267
CDUS46 KSEW 270827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT MON OCT 27 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 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 50 405 PM 65 1998 57 -7 61
MINIMUM 43 326 AM 29 1954 45 -2 53
AVERAGE 47 51 -4 57
PRECIPITATION (IN)
YESTERDAY 0.38 2.13 1986 0.16 0.22 0.38
MONTH TO DATE 2.80 3.07 -0.27 1.75
SINCE OCT 1 2.80 3.07 -0.27 1.75
SINCE JAN 1 19.07 26.47 -7.40 20.53
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 18 14 4 8
MONTH TO DATE 273 275 -2 256
SINCE SEP 1 324 377 -53 362
SINCE JUL 1 348 432 -84 400
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 10 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 PM
LOWEST 80 600 AM
AVERAGE 87
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 67 1968
MINIMUM TEMPERATURE (F) 45 31 1970
SUNRISE AND SUNSET
OCTOBER 27 2025.......SUNRISE 746 AM PDT SUNSET 559 PM PDT
OCTOBER 28 2025.......SUNRISE 748 AM PDT SUNSET 558 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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