252
CDUS46 KSEW 050117
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT SUN OCT 04 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 69 359 PM 76 1966 65 4 65
MINIMUM 51 425 AM 38 1957 50 1 53
AVERAGE 60 57 3 59
PRECIPITATION (IN)
TODAY 0.00 0.92 1950 0.09 -0.09 T
MONTH TO DATE 0.00 0.33 -0.33 0.30
SINCE OCT 1 0.00 0.33 -0.33 0.30
SINCE JAN 1 21.59 23.73 -2.14 16.57
SNOWFALL (IN)
TODAY 0.0 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 0
DEGREE DAYS
HEATING
TODAY 5 8 -3 6
MONTH TO DATE 17 29 -12 21
SINCE SEP 1 150 131 19 72
SINCE JUL 1 175 186 -11 96
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
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 61 300 PM
AVERAGE 81
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 82 1980
MINIMUM TEMPERATURE (F) 50 38 1974
SUNRISE AND SUNSET
OCTOBER 4 2026.......SUNRISE 713 AM PDT SUNSET 642 PM PDT
OCTOBER 5 2026.......SUNRISE 714 AM PDT SUNSET 640 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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