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

63°F

17°C

Humidity 82%
Wind Speed S 8 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 03:35 PM PDT
Extended Forecast for

Des Moines WA

  • This Afternoon

    This Afternoon: Rain before 4pm, then showers after 4pm. High near 68. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Rain

  • Tonight

    Tonight: Showers likely, mainly before 2am. Cloudy during the early evening, then gradual clearing, with a low around 52. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Rain likely, mainly after 3pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 70. East southeast wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Patchy Fog
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 54. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 67. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 53. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Rain before 4pm, then showers after 4pm. High near 68. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 2am. Cloudy during the early evening, then gradual clearing, with a low around 52. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly after 3pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 70. East southeast wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 54. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 67. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 53. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 63. Chance of precipitation is 90%.
Thursday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51.
Friday
A slight chance of showers. Partly sunny, with a high near 65.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.39°N 122.32°W (Elev. 75 ft)
Last Update:
2:25 pm PDT Sep 29, 2025
Forecast Valid:
3pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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