133
CDUS46 KSEW 300216
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PST MON DEC 29 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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 44 212 PM 63 2023 47 -3 47
MINIMUM 33 503 AM 8 1968 37 -4 39
AVERAGE 39 42 -3 43
PRECIPITATION (IN)
TODAY 0.00 1.92 1996 0.18 -0.18 0.11
MONTH TO DATE 8.37 5.36 3.01 5.49
SINCE OCT 1 17.78 15.58 2.20 13.39
SINCE JAN 1 34.05 38.98 -4.93 32.17
SNOWFALL (IN)
TODAY 0.0 2.1 1971 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 26 23 3 22
MONTH TO DATE 554 663 -109 598
SINCE DEC 1 554 663 -109 598
SINCE JUL 1 1468 1724 -256 1639
COOLING
TODAY 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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 600 AM
LOWEST 70 200 PM
AVERAGE 83
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 56 1945
1958
2023
MINIMUM TEMPERATURE (F) 37 6 1968
SUNRISE AND SUNSET
DECEMBER 29 2025......SUNRISE 757 AM PST SUNSET 427 PM PST
DECEMBER 30 2025......SUNRISE 757 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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