Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

46°F

8°C

Humidity 87%
Wind Speed NE 6 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Oct 04:35 AM PDT
Extended Forecast for

Des Moines WA

  • Today

    Today: Mostly sunny, with a high near 61. North wind 3 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy during the early evening, then becoming cloudy, with a low around 44. North wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Becoming
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. Light and variable wind.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 44. North northeast wind 3 to 5 mph.

    Low: 44 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. North wind 5 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 61. North wind 3 to 8 mph.
Tonight
Partly cloudy during the early evening, then becoming cloudy, with a low around 44. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 62. Light and variable wind.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 44. North northeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 62. North wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
A slight chance of rain after 11am. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 59.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.39°N 122.32°W (Elev. 75 ft)
11:26 pm PDT Oct 17, 2026
4am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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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