068
CDUS46 KSEW 310116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT SUN AUG 30 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 71 336 PM 90 2022 76 -5 70
MINIMUM 55 602 AM 45 1950 56 -1 57
AVERAGE 63 66 -3 64
PRECIPITATION (IN)
TODAY 0.00 0.40 2015 0.04 -0.04 0.00
MONTH TO DATE 0.56 0.93 -0.37 1.14
SINCE OCT 1 36.91 37.69 -0.78 28.91
SINCE JAN 1 20.13 21.75 -1.62 15.51
SNOWFALL (IN)
TODAY 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
TODAY 2 1 1 1
MONTH TO DATE 5 23 -18 3
SINCE JUN 1 120 172 -52 118
SINCE JUL 1 25 54 -29 24
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 97 96 1 129
SINCE JUN 1 255 221 34 290
SINCE JAN 1 265 231 34 293
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 100 AM
LOWEST 41 400 PM
AVERAGE 61
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1987
MINIMUM TEMPERATURE (F) 56 46 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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