National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

43°F

6°C

Humidity 94%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 02 Dec 11:09 PM PST
Extended Forecast for

Winlock WA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 11am. Areas of fog. Otherwise, mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain and
    Areas Fog
    then Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm. Areas of fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Slight Chance
    Rain and
    Areas Fog

  • Thursday

    Thursday: Rain. High near 45. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 41. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, cloudy, with a low around 35. Calm wind.
Wednesday
A slight chance of rain between 9am and 11am. Areas of fog. Otherwise, mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain after 10pm. Areas of fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Thursday
Rain. High near 45. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 41. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 45. Chance of precipitation is 90%.
Saturday
Rain. Cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain likely. Cloudy, with a high near 53.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winlock WA
 46.49°N 122.93°W (Elev. 400 ft)
Last Update:
7:01 pm PST Dec 2, 2025
Forecast Valid:
11pm PST Dec 2, 2025-6pm PST Dec 9, 2025
 
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