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: 550.0ft.

NA

50°F

10°C

Humidity 97%
Wind Speed NW 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 14 Oct 11:00 PM PDT
Extended Forecast for

3 Miles SSW Onalaska WA

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind becoming east around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind.
Thursday Night
Mostly clear, with a low around 48. Calm wind becoming east around 6 mph.
Friday
Mostly sunny, with a high near 75. Calm wind.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.
Saturday
Rain likely before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A chance of rain. Cloudy, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
Last Update:
12:50 pm PDT Oct 14, 2026
Forecast Valid:
11pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
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