535
CDUS46 KSEW 100217
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PST FRI JAN 09 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 9 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 51 304 PM 60 1945 47 4 52
MINIMUM 43 852 AM 13 1949 38 5 38
AVERAGE 47 42 5 45
PRECIPITATION (IN)
TODAY T 2.83 1990 0.20 -0.20 0.00
MONTH TO DATE 2.48 1.73 0.75 0.86
SINCE OCT 1 19.26 17.67 1.59 14.26
SINCE JAN 1 2.48 1.73 0.75 0.86
SNOWFALL (IN)
TODAY 0.0 2.0 1963 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 18 22 -4 20
MONTH TO DATE 195 206 -11 193
SINCE DEC 1 801 917 -116 839
SINCE JUL 1 1715 1978 -263 1880
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 61 1200 PM
AVERAGE 75
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 59 1981
MINIMUM TEMPERATURE (F) 38 12 1949
SUNRISE AND SUNSET
JANUARY 9 2026.......SUNRISE 755 AM PST SUNSET 438 PM PST
JANUARY 10 2026.......SUNRISE 755 AM PST SUNSET 439 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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