810
CDUS46 KSEW 220121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT WED OCT 21 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 64 350 PM 72 1965 59 5 61
MINIMUM 43 723 AM 32 1949 46 -3 44
AVERAGE 54 52 2 53
PRECIPITATION (IN)
TODAY 0.00 1.61 2017 0.14 -0.14 0.00
MONTH TO DATE 0.08 2.29 -2.21 1.06
SINCE OCT 1 0.08 2.29 -2.21 1.06
SINCE JAN 1 21.67 25.69 -4.02 17.33
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 11 13 -2 12
MONTH TO DATE 171 207 -36 209
SINCE SEP 1 304 309 -5 260
SINCE JUL 1 329 364 -35 284
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 0 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 2.4
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 100 900 AM
LOWEST 77 1100 AM
AVERAGE 89
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 70 1965
MINIMUM TEMPERATURE (F) 46 34 1950
SUNRISE AND SUNSET
OCTOBER 21 2026.......SUNRISE 737 AM PDT SUNSET 610 PM PDT
OCTOBER 22 2026.......SUNRISE 738 AM PDT SUNSET 608 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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