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

45°F

7°C

Humidity 95%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 02 Dec 11:09 AM PST
Extended Forecast for

Winlock WA

  • Today

    Today: A 30 percent chance of rain before 2pm. Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

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

    Low: 35 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog. Otherwise, mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely after 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Areas Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Rain. High near 45. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Saturday

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

    High: 51 °F

    Rain

Detailed Forecast

Today
A 30 percent chance of rain before 2pm. Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 47. Calm wind.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
Patchy fog. Otherwise, mostly cloudy, with a high near 44. Calm wind.
Wednesday Night
Rain likely after 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 45. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 52. Chance of precipitation is 100%.
Friday Night
Rain. Cloudy, with a low around 45.
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 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 42.
Monday
Rain likely. Cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winlock WA
 46.49°N 122.93°W (Elev. 400 ft)
Last Update:
7:01 am PST Dec 2, 2025
Forecast Valid:
11am PST Dec 2, 2025-6pm PST Dec 8, 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