642
CDUS46 KSEW 080116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT TUE OCT 07 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 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 75 252 PM 79 2023 64 11 75
MINIMUM 48 631 AM 37 1983 49 -1 49
AVERAGE 62 56 6 62
PRECIPITATION (IN)
TODAY 0.00 0.71 1962 0.10 -0.10 0.00
MONTH TO DATE 0.30 0.62 -0.32 0.42
SINCE OCT 1 0.30 0.62 -0.32 0.42
SINCE JAN 1 16.57 24.02 -7.45 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 3 9 -6 3
MONTH TO DATE 39 54 -15 55
SINCE SEP 1 90 156 -66 161
SINCE JUL 1 114 211 -97 199
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 2 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 33 400 PM
AVERAGE 62
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 80 1951
MINIMUM TEMPERATURE (F) 49 39 1949
1961
SUNRISE AND SUNSET
OCTOBER 7 2025.......SUNRISE 717 AM PDT SUNSET 636 PM PDT
OCTOBER 8 2025.......SUNRISE 718 AM PDT SUNSET 634 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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