492
CDUS46 KSEW 270826
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU AUG 27 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 77 527 PM 92 2016 76 1 88
MINIMUM 58 354 AM 46 1957 57 1 62
AVERAGE 68 66 2 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.67 1977 0.04 -0.04 0.00
MONTH TO DATE T 0.77 -0.77 1.14
SINCE OCT 1 36.35 37.53 -1.18 28.91
SINCE JAN 1 19.57 21.59 -2.02 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 19 -18 2
SINCE JUN 1 116 168 -52 117
SINCE JUL 1 21 50 -29 23
COOLING
YESTERDAY 3 2 1 10
MONTH TO DATE 95 88 7 119
SINCE JUN 1 253 213 40 280
SINCE JAN 1 263 223 40 283
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 43 500 PM
AVERAGE 65
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 88 1986
1994
2009
MINIMUM TEMPERATURE (F) 56 44 1952
SUNRISE AND SUNSET
AUGUST 27 2026........SUNRISE 622 AM PDT SUNSET 759 PM PDT
AUGUST 28 2026........SUNRISE 623 AM PDT SUNSET 757 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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