542
CDUS46 KSEW 210931
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PST WED JAN 21 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2026...
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)
YESTERDAY
MAXIMUM 50 405 PM 64 1981 48 2 43
MINIMUM 31 715 AM 16 1954 38 -7 28
1962
AVERAGE 41 43 -2 36
PRECIPITATION (IN)
YESTERDAY 0.00 1.66 1972 0.19 -0.19 0.00
MONTH TO DATE 3.31 3.83 -0.52 1.04
SINCE OCT 1 20.09 19.77 0.32 14.44
SINCE JAN 1 3.31 3.83 -0.52 1.04
SNOWFALL (IN)
YESTERDAY 0.0 1.5 1951 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 24 22 2 29
MONTH TO DATE 407 448 -41 488
SINCE DEC 1 1013 1159 -146 1134
SINCE JUL 1 1927 2220 -293 2175
COOLING
YESTERDAY 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
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WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 52 300 PM
AVERAGE 76
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 62 1981
MINIMUM TEMPERATURE (F) 38 13 1962
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 747 AM PST SUNSET 454 PM PST
JANUARY 22 2026.......SUNRISE 746 AM PST SUNSET 456 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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