964
CDUS46 KSEW 230826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT SUN AUG 23 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 76 257 PM 89 2018 77 -1 89
MINIMUM 59 703 AM 45 1960 57 2 57
AVERAGE 68 67 1 73
PRECIPITATION (IN)
YESTERDAY T 1.41 2001 0.04 -0.04 0.00
MONTH TO DATE T 0.62 -0.62 1.14
SINCE OCT 1 36.35 37.38 -1.03 28.91
SINCE JAN 1 19.57 21.44 -1.87 15.51
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 3.0 2.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 15 -14 2
SINCE JUN 1 116 164 -48 117
SINCE JUL 1 21 46 -25 23
COOLING
YESTERDAY 3 3 0 8
MONTH TO DATE 79 79 0 75
SINCE JUN 1 237 204 33 236
SINCE JAN 1 247 214 33 239
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 50 300 PM
AVERAGE 72
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 1988
MINIMUM TEMPERATURE (F) 57 46 1955
SUNRISE AND SUNSET
AUGUST 23 2026........SUNRISE 616 AM PDT SUNSET 806 PM PDT
AUGUST 24 2026........SUNRISE 618 AM PDT SUNSET 804 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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