800
CDUS46 KSEW 290121
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
621 PM PDT TUE OCT 28 2025
...............................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 28 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 56 331 PM 68 2017 56 0 55
MINIMUM 38 223 AM 29 1946 44 -6 47
AVERAGE 47 50 -3 51
PRECIPITATION (IN)
TODAY T 1.99 2021 0.17 -0.17 0.01
MONTH TO DATE 2.81 3.40 -0.59 2.44
SINCE OCT 1 2.81 3.40 -0.59 2.44
SINCE JAN 1 19.08 26.80 -7.72 21.22
SNOWFALL (IN)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 18 15 3 14
MONTH TO DATE 308 304 4 283
SINCE SEP 1 359 406 -47 389
SINCE JUL 1 383 461 -78 427
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 E (70)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 3.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 55 300 PM
AVERAGE 76
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 65 1986
1987
MINIMUM TEMPERATURE (F) 44 31 1970
1971
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 748 AM PDT SUNSET 558 PM PDT
OCTOBER 29 2025.......SUNRISE 749 AM PDT SUNSET 556 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page