778
CDUS46 KSEW 300827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT SUN AUG 30 2026
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...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 71 308 PM 91 1974 76 -5 73
MINIMUM 55 830 AM 44 1951 56 -1 58
AVERAGE 63 66 -3 66
PRECIPITATION (IN)
YESTERDAY 0.56 1.28 2015 0.04 0.52 0.00
MONTH TO DATE 0.56 0.89 -0.33 1.14
SINCE OCT 1 36.91 37.65 -0.74 28.91
SINCE JAN 1 20.13 21.71 -1.58 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 2 1 1 0
MONTH TO DATE 3 22 -19 2
SINCE JUN 1 118 171 -53 117
SINCE JUL 1 23 53 -30 23
COOLING
YESTERDAY 0 2 -2 1
MONTH TO DATE 97 94 3 129
SINCE JUN 1 255 219 36 290
SINCE JAN 1 265 229 36 293
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 600 AM
LOWEST 39 300 PM
AVERAGE 68
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 90 2022
MINIMUM TEMPERATURE (F) 56 45 1950
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 626 AM PDT SUNSET 753 PM PDT
AUGUST 31 2026........SUNRISE 627 AM PDT SUNSET 751 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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