National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Partly Cloudy

38°F

3°C

Humidity 85%
Wind Speed S 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 27 Dec 03:53 AM PST
Extended Forecast for

Des Moines WA

  • Today

    Today: Mostly sunny, with a high near 41. South wind around 5 mph becoming light and variable in the morning.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 45. Light north northeast wind.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 4pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 41. South wind around 5 mph becoming light and variable in the morning.
Tonight
Mostly cloudy, with a low around 33. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 42. Calm wind.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Monday
Mostly cloudy, with a high near 45. Light north northeast wind.
Monday Night
Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 34.
Tuesday
Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
New Year's Day
A chance of rain. Cloudy, with a high near 48.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.4°N 122.29°W (Elev. 315 ft)
Last Update:
3:12 am PST Dec 27, 2025
Forecast Valid:
4am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation