701
CDUS46 KSEW 210221
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PST THU NOV 20 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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 54 156 PM 64 1987 51 3 55
MINIMUM 44 254 AM 24 1946 40 4 42
AVERAGE 49 46 3 49
PRECIPITATION (IN)
TODAY 0.09 3.41 1959 0.22 -0.13 0.10
MONTH TO DATE 4.63 4.21 0.42 3.73
SINCE OCT 1 8.33 8.12 0.21 6.77
SINCE JAN 1 24.60 31.52 -6.92 25.55
SNOWFALL (IN)
TODAY 0.0 5.2 1960 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
TODAY 16 19 -3 16
MONTH TO DATE 288 350 -62 344
SINCE SEP 1 693 801 -108 786
SINCE JUL 1 717 856 -139 824
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 50 1200 AM
AVERAGE 74
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 62 1954
MINIMUM TEMPERATURE (F) 40 21 1977
1985
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 722 AM PST SUNSET 428 PM PST
NOVEMBER 21 2025......SUNRISE 723 AM PST SUNSET 427 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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