221
CDUS46 KSEW 150928
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
128 AM PST THU JAN 15 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 14 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 53 139 PM 59 1968 48 5 41
2023
MINIMUM 47 1126 PM 8 1950 38 9 34
AVERAGE 50 43 7 38
PRECIPITATION (IN)
YESTERDAY 0.00 1.61 1988 0.19 -0.19 0.00
MONTH TO DATE 3.31 2.68 0.63 1.01
SINCE OCT 1 20.09 18.62 1.47 14.41
SINCE JAN 1 3.31 2.68 0.63 1.01
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1950 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 15 22 -7 27
MONTH TO DATE 276 316 -40 318
SINCE DEC 1 882 1027 -145 964
SINCE JUL 1 1796 2088 -292 2005
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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 74 300 PM
AVERAGE 87
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 64 2018
MINIMUM TEMPERATURE (F) 38 15 1950
SUNRISE AND SUNSET
JANUARY 15 2026.......SUNRISE 752 AM PST SUNSET 446 PM PST
JANUARY 16 2026.......SUNRISE 751 AM PST SUNSET 447 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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