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.

Overcast

45°F

7°C

Humidity 81%
Wind Speed S 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 02 Dec 03:35 AM PST
Extended Forecast for

Des Moines WA

  • Overnight

    Overnight: A 50 percent chance of rain. Cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 7am. Cloudy, with a high near 48. Light and variable wind.

    High: 48 °F

    Chance Rain
    then Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. High near 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Rain

  • Friday

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

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 40. Light south wind.
Tuesday
A 30 percent chance of rain, mainly before 7am. Cloudy, with a high near 48. Light and variable wind.
Tuesday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 37. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, cloudy, with a high near 46. Calm wind.
Wednesday Night
Rain likely, mainly after 4am. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 44. Chance of precipitation is 80%.
Friday
Rain. Cloudy, with a high near 54.
Friday Night
Rain. Cloudy, with a low around 47.
Saturday
Rain. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Mostly cloudy, with a high near 54.
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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 am PST Dec 2, 2025
Forecast Valid:
3am PST Dec 2, 2025-6pm PST Dec 8, 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