National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 564.0ft.

NA

54°F

12°C

Humidity 93%
Wind Speed NW 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 03 Oct 07:30 PM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A slight chance of rain before 8am, then a chance of rain after 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Calm wind. Chance of precipitation is 50%.

    High: 64 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. Northeast wind 3 to 6 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind.
Saturday
A slight chance of rain before 8am, then a chance of rain after 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Calm wind. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43. Light north wind.
Sunday
Sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 40. Northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 69.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Partly sunny, with a high near 68.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
Last Update:
2:25 pm PDT Oct 3, 2025
Forecast Valid:
8pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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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