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

50°F

10°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 04 Oct 04:00 AM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 8am, then a chance of showers after 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 42. Light north northwest wind. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. North wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °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

Overnight
A 10 percent chance of showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 49. Calm wind.
Saturday
A slight chance of showers before 8am, then a chance of showers after 10am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 42. Light north northwest wind. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 67. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 40. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 73.
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 chance of rain after 11am. Mostly sunny, with a high near 69.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 71.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Friday
A chance of rain. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.52°N 122.75°W (Elev. 423 ft)
Last Update:
3:28 am PDT Oct 4, 2025
Forecast Valid:
4am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation