Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 020126
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
626 PM PDT WED OCT 01 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 0.27 0.56 1981 0.08 0.19 T
MONTH TO DATE 0.27 0.08 0.19 T
SINCE OCT 1 0.27 0.08 0.19 T
SINCE JAN 1 16.54 23.48 -6.94 18.78
SNOWFALL (IN)
TODAY MM MM MM 0.0
MONTH TO DATE MM 0.0
SINCE OCT 1 MM 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 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
TODAY 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
...................................................................
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 9.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 56 400 PM
AVERAGE 75
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 80 2022
MINIMUM TEMPERATURE (F) 50 35 1950
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 709 AM PDT SUNSET 648 PM PDT
OCTOBER 2 2025.......SUNRISE 710 AM PDT SUNSET 646 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$