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

41°F

5°C

Humidity 88%
Wind Speed N 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 38°F (3°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 01 Dec 09:53 AM PST
Extended Forecast for

Des Moines WA

  • Today

    Today: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly between 10pm and 1am. Mostly cloudy, with a low around 40. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain before 10am. Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.

    High: 48 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

Today
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 46. Calm wind.
Tonight
Rain likely, mainly between 10pm and 1am. Mostly cloudy, with a low around 40. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 50 percent chance of rain before 10am. Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
Rain likely. Cloudy, with a low around 44.
Friday
Rain. Cloudy, with a high near 54.
Friday Night
Rain. Cloudy, with a low around 46.
Saturday
Rain. Mostly cloudy, with a high near 52.
Saturday Night
Rain. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 52.
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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:
7:01 am PST Dec 1, 2025
Forecast Valid:
10am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
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