570
CDUS46 KSEW 240829
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT MON AUG 24 2026
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 23 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 75 356 PM 91 1988 77 -2 90
MINIMUM 59 451 AM 46 1955 57 2 62
AVERAGE 67 67 0 76
PRECIPITATION (IN)
YESTERDAY T 1.49 1977 0.03 -0.03 0.00
MONTH TO DATE T 0.65 -0.65 1.14
SINCE OCT 1 36.35 37.41 -1.06 28.91
SINCE JAN 1 19.57 21.47 -1.90 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 16 -15 2
SINCE JUN 1 116 165 -49 117
SINCE JUL 1 21 47 -26 23
COOLING
YESTERDAY 2 3 -1 11
MONTH TO DATE 81 82 -1 86
SINCE JUN 1 239 207 32 247
SINCE JAN 1 249 217 32 250
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 AM
LOWEST 46 400 PM
AVERAGE 68
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 2025
MINIMUM TEMPERATURE (F) 57 45 1951
SUNRISE AND SUNSET
AUGUST 24 2026........SUNRISE 618 AM PDT SUNSET 804 PM PDT
AUGUST 25 2026........SUNRISE 619 AM PDT SUNSET 803 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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