594
CDUS46 KSEW 020827
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT THU OCT 02 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 67 342 PM 89 1987 66 1 68
MINIMUM 54 704 AM 35 1950 51 3 46
AVERAGE 61 58 3 57
PRECIPITATION (IN)
YESTERDAY 0.30 0.56 1981 0.08 0.22 T
MONTH TO DATE 0.30 0.08 0.22 T
SINCE OCT 1 0.30 0.08 0.22 T
SINCE JAN 1 16.57 23.48 -6.91 18.78
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 7 -3 8
MONTH TO DATE 4 7 -3 8
SINCE SEP 1 55 109 -54 114
SINCE JUL 1 79 164 -85 152
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 34 30 4 42
SINCE JAN 1 328 263 65 315
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 56 400 PM
AVERAGE 75
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 80 2022
MINIMUM TEMPERATURE (F) 50 35 1950
SUNRISE AND SUNSET
OCTOBER 2 2025.......SUNRISE 710 AM PDT SUNSET 646 PM PDT
OCTOBER 3 2025.......SUNRISE 712 AM PDT SUNSET 644 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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