Climatological Report (Daily)
Issued by NWS
Issued by NWS
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005
CDUS46 KSEW 050127
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
627 PM PDT SAT OCT 04 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 65 309 PM 76 1966 65 0 61
MINIMUM 55 635 AM 38 1957 50 5 48
AVERAGE 60 57 3 55
PRECIPITATION (IN)
TODAY T 0.92 1950 0.09 -0.09 0.42
MONTH TO DATE 0.30 0.33 -0.03 0.42
SINCE OCT 1 0.30 0.33 -0.03 0.42
SINCE JAN 1 16.57 23.73 -7.16 19.20
SNOWFALL (IN)
TODAY 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
TODAY 5 8 -3 10
MONTH TO DATE 20 29 -9 36
SINCE SEP 1 71 131 -60 142
SINCE JUL 1 95 186 -91 180
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 4 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 200 AM
LOWEST 65 200 PM
AVERAGE 78
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 82 1980
MINIMUM TEMPERATURE (F) 50 38 1974
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 713 AM PDT SUNSET 642 PM PDT
OCTOBER 5 2025.......SUNRISE 714 AM PDT SUNSET 640 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$