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

69°F

21°C

Humidity 65%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 06 Oct 03:09 PM PDT
Extended Forecast for

6 Miles SE Napavine WA

  • Tonight

    Tonight: Areas of fog after 1am. Otherwise, mostly clear, with a low around 46. North northwest wind 3 to 6 mph.

    Low: 46 °F

    Mostly Clear
    then Areas
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, sunny, with a high near 71. North northwest wind 3 to 7 mph.

    High: 71 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North northwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog after 1am. Otherwise, mostly clear, with a low around 46. North northwest wind 3 to 6 mph.
Wednesday
Areas of fog before 10am. Otherwise, sunny, with a high near 71. North northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 47. North northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 74. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Light and variable wind.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of rain after 11am. Partly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 36.
Columbus Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A chance of rain. Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
Last Update:
12:45 pm PDT Oct 6, 2026
Forecast Valid:
4pm PDT Oct 6, 2026-6pm PDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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