468
CDUS46 KSEW 200826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT TUE OCT 20 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 62 357 PM 72 2014 59 3 59
MINIMUM 46 713 AM 28 1949 46 0 50
AVERAGE 54 53 1 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.05 1958 0.13 -0.13 0.06
MONTH TO DATE 0.08 2.01 -1.93 1.03
SINCE OCT 1 0.08 2.01 -1.93 1.03
SINCE JAN 1 21.67 25.41 -3.74 17.30
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 11 12 -1 10
MONTH TO DATE 149 181 -32 185
SINCE SEP 1 282 283 -1 236
SINCE JUL 1 307 338 -31 260
COOLING
YESTERDAY 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 N (10)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 800 AM
LOWEST 52 300 PM
AVERAGE 71
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 69 1987
MINIMUM TEMPERATURE (F) 46 29 1949
SUNRISE AND SUNSET
OCTOBER 20 2026.......SUNRISE 735 AM PDT SUNSET 612 PM PDT
OCTOBER 21 2026.......SUNRISE 737 AM PDT SUNSET 610 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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