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

64°F

18°C

Humidity 95%
Wind Speed WNW 1 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 63°F (17°C)
Visibility NA
Last update 28 Aug 11:00 AM PDT
Extended Forecast for

Onalaska WA

  • Today

    Today: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Labor Day

    Labor Day: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Calm wind.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 56. Calm wind.
Friday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Calm wind.
Saturday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 52.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 78.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Labor Day
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 85.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 85.
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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:
8:01 am PDT Aug 28, 2025
Forecast Valid:
11am PDT Aug 28, 2025-6pm PDT Sep 3, 2025
 
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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