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

51°F

11°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 04 Oct 12:30 AM PDT
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a steady temperature around 52. Calm wind.

    Low: 52 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind.

    High: 63 °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. Calm wind.

    Low: 43 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. East northeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a steady temperature around 52. Calm wind.
Saturday
A 50 percent chance of rain, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. Calm wind.
Saturday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 40. East northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 43.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 67.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
8:52 pm PDT Oct 3, 2025
Forecast Valid:
12am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation