586
CDUS46 KSEW 050927
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST FRI DEC 05 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 46 1106 PM 60 1945 48 -2 38
MINIMUM 41 742 AM 21 1994 38 3 29
AVERAGE 44 43 1 34
PRECIPITATION (IN)
YESTERDAY 0.45 1.41 1989 0.19 0.26 0.00
MONTH TO DATE 0.46 0.76 -0.30 0.00
SINCE OCT 1 9.87 10.98 -1.11 7.90
SINCE JAN 1 26.14 34.38 -8.24 26.68
SNOWFALL (IN)
YESTERDAY 0.0 0.4 1956 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 21 22 -1 31
MONTH TO DATE 85 88 -3 114
SINCE DEC 1 85 88 -3 114
SINCE JUL 1 999 1149 -150 1155
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 PM
LOWEST 89 200 AM
AVERAGE 95
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 59 2023
MINIMUM TEMPERATURE (F) 38 23 1956
2013
SUNRISE AND SUNSET
DECEMBER 5 2025......SUNRISE 741 AM PST SUNSET 419 PM PST
DECEMBER 6 2025......SUNRISE 742 AM PST SUNSET 419 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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