105
CDUS46 KSEW 080829
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT FRI AUG 08 2025
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 7 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 458 PM 95 1972 79 -9 80
MINIMUM 58 1010 PM 48 1948 58 0 54
AVERAGE 64 68 -4 67
PRECIPITATION (IN)
YESTERDAY T 0.95 1976 0.02 -0.02 0.00
MONTH TO DATE 0.16 0.15 0.01 0.00
SINCE OCT 1 27.93 36.91 -8.98 33.65
SINCE JAN 1 14.53 20.97 -6.44 16.50
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 0 1 0
MONTH TO DATE 2 0 2 2
SINCE JUN 1 117 149 -32 141
SINCE JUL 1 23 31 -8 9
COOLING
YESTERDAY 0 4 -4 2
MONTH TO DATE 6 28 -22 35
SINCE JUN 1 167 153 14 218
SINCE JAN 1 170 163 7 225
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WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 1200 AM
LOWEST 45 500 PM
AVERAGE 63
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 98 1960
MINIMUM TEMPERATURE (F) 58 47 1974
SUNRISE AND SUNSET
AUGUST 8 2025........SUNRISE 557 AM PDT SUNSET 832 PM PDT
AUGUST 9 2025........SUNRISE 558 AM PDT SUNSET 830 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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