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

51°F

11°C

Humidity 72%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 18 Nov 02:09 PM PST
Extended Forecast for

Winlock WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, increasing clouds, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 53. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely. Cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 50. Calm wind.
Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 32. Calm wind.
Wednesday
A 30 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, increasing clouds, with a high near 50. Calm wind.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 53. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Cloudy, with a high near 53.
Saturday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 41.
Sunday
Rain likely. Cloudy, with a high near 51.
Sunday Night
Rain. Cloudy, with a low around 40.
Monday
Rain. Mostly cloudy, with a high near 48.
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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:
1:25 pm PST Nov 18, 2025
Forecast Valid:
2pm PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation