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

54°F

12°C

Humidity 96%
Wind Speed NW 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 14 Oct 09:15 PM PDT
Extended Forecast for

Onalaska WA

  • Tonight

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

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Calm wind becoming east 5 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °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 59.

    High: 59 °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
Sunny, with a high near 74. Calm wind.
Thursday Night
Mostly clear, with a low around 50. Calm wind becoming east 5 to 7 mph.
Friday
Mostly sunny, with a high near 74. Calm wind.
Friday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 49. 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 59.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A chance of rain. Cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
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 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
12:50 pm PDT Oct 14, 2026
Forecast Valid:
9pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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