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Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

69°F

21°C

Humidity 66%
Wind Speed SSE 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 20 Sep 01:30 PM PDT
Extended Forecast for

Duvall WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, partly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Areas Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 11am. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Calm wind.
Tonight
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 49. Calm wind.
Monday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 69. Calm wind.
Monday Night
Mostly cloudy, with a low around 51. Calm wind.
Tuesday
Partly sunny, with a high near 66. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A chance of rain after 11am. Mostly cloudy, with a high near 60.
Thursday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 59.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.72°N 121.94°W (Elev. 463 ft)
Last Update:
1:05 pm PDT Sep 20, 2026
Forecast Valid:
2pm PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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