965
CDUS46 KSEW 130835
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
135 AM PDT WED AUG 13 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 12 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 92 429 PM 96 1977 78 14 73
MINIMUM 64 517 AM 49 1949 58 6 57
1950
1953
AVERAGE 78 68 10 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.56 1965 0.03 -0.03 0.00
MONTH TO DATE 0.16 0.29 -0.13 0.00
SINCE OCT 1 27.93 37.05 -9.12 33.65
SINCE JAN 1 14.53 21.11 -6.58 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 0 1 -1 0
MONTH TO DATE 2 5 -3 2
SINCE JUN 1 117 154 -37 141
SINCE JUL 1 23 36 -13 9
COOLING
YESTERDAY 13 4 9 0
MONTH TO DATE 48 48 0 53
SINCE JUN 1 209 173 36 236
SINCE JAN 1 212 183 29 243
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 600 AM
LOWEST 29 400 PM
AVERAGE 50
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 2002
MINIMUM TEMPERATURE (F) 58 44 1955
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 603 AM PDT SUNSET 824 PM PDT
AUGUST 14 2025........SUNRISE 605 AM PDT SUNSET 822 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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