Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 110116
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
616 PM PDT FRI OCT 10 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 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 61 441 PM 77 1987 63 -2 59
MINIMUM 51 428 AM 34 1946 48 3 47
2019
AVERAGE 56 55 1 53
PRECIPITATION (IN)
TODAY 0.03 1.13 2015 0.10 -0.07 0.00
MONTH TO DATE 0.37 0.93 -0.56 0.78
SINCE OCT 1 0.37 0.93 -0.56 0.78
SINCE JAN 1 16.64 24.33 -7.69 19.56
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 9 10 -1 12
MONTH TO DATE 66 82 -16 80
SINCE SEP 1 117 184 -67 186
SINCE JUL 1 141 239 -98 224
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 S (160)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1000 AM
LOWEST 64 400 PM
AVERAGE 80
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 83 1991
MINIMUM TEMPERATURE (F) 48 36 1946
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.
$$