486
CDUS46 KSEW 180119
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT SAT OCT 17 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 62 249 PM 74 1989 60 2 60
MINIMUM 54 1015 AM 34 1949 47 7 49
AVERAGE 58 53 5 55
PRECIPITATION (IN)
TODAY 0.02 1.24 2009 0.13 -0.11 T
MONTH TO DATE 0.08 1.75 -1.67 0.60
SINCE OCT 1 0.08 1.75 -1.67 0.60
SINCE JAN 1 21.67 25.15 -3.48 16.87
SNOWFALL (IN)
TODAY MM MM MM 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 MM
DEGREE DAYS
HEATING
TODAY 7 12 -5 10
MONTH TO DATE 123 157 -34 160
SINCE SEP 1 256 259 -3 211
SINCE JUL 1 281 314 -33 235
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 2 30 -28 34
SINCE JAN 1 267 263 4 328
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 56 200 PM
AVERAGE 75
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 71 2023
MINIMUM TEMPERATURE (F) 47 32 1949
SUNRISE AND SUNSET
OCTOBER 17 2026.......SUNRISE 731 AM PDT SUNSET 617 PM PDT
OCTOBER 18 2026.......SUNRISE 732 AM PDT SUNSET 615 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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