Climatological Report (Daily)
Issued by NWS
Issued by NWS
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668
CDUS46 KSEW 100837
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
137 AM PDT FRI OCT 10 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 62 359 PM 79 1996 63 -1 61
MINIMUM 51 700 AM 35 1960 49 2 53
AVERAGE 57 56 1 57
PRECIPITATION (IN)
YESTERDAY 0.04 1.27 1953 0.11 -0.07 T
MONTH TO DATE 0.34 0.83 -0.49 0.78
SINCE OCT 1 0.34 0.83 -0.49 0.78
SINCE JAN 1 16.61 24.23 -7.62 19.56
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 8 9 -1 8
MONTH TO DATE 57 72 -15 68
SINCE SEP 1 108 174 -66 174
SINCE JUL 1 132 229 -97 212
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
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 300 AM
LOWEST 48 300 PM
AVERAGE 72
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 77 1987
MINIMUM TEMPERATURE (F) 48 34 1946
2019
SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE 721 AM PDT SUNSET 630 PM PDT
OCTOBER 11 2025.......SUNRISE 723 AM PDT SUNSET 628 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$