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

54°F

12°C

Humidity 94%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 03 Oct 10:09 PM PDT
Extended Forecast for

5 Miles ESE Napavine WA

  • Tonight

    Tonight: A 50 percent chance of rain. Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A slight chance of rain before 8am, then a chance of rain after 9am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 63. Calm wind. Chance of precipitation is 50%.

    High: 63 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. North wind 3 to 6 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. North wind 3 to 6 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of rain. Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind.
Saturday
A slight chance of rain before 8am, then a chance of rain after 9am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 63. Calm wind. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 43. Light north wind.
Sunday
Sunny, with a high near 67. North wind 3 to 6 mph.
Sunday Night
Clear, with a low around 40. North wind 3 to 6 mph.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 67.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Napavine WA
 46.55°N 122.82°W (Elev. 440 ft)
Last Update:
8:52 pm PDT Oct 3, 2025
Forecast Valid:
10pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation