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.

Mostly Cloudy

40°F

4°C

Humidity 73%
Wind Speed ENE 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 27 Dec 01:53 PM PST
Extended Forecast for

Des Moines WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. Light northeast wind.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 43. Calm wind.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 45. Light northeast wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. Light northeast wind.
Tonight
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 43. Calm wind.
Sunday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 45. Light northeast wind.
Monday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 33.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 38.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
Rain likely. Cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.39°N 122.32°W (Elev. 75 ft)
Last Update:
1:25 pm PST Dec 27, 2025
Forecast Valid:
2pm PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation