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

48°F

9°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 04 Oct 02:09 AM PDT
Extended Forecast for

Napavine WA

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind.
Sunday Night
Increasing clouds, with a low around 48. Calm wind.
Monday
Mostly cloudy, with a high near 71. Calm wind.
Monday Night
Partly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 48.
Friday
A slight chance of rain. Mostly cloudy, with a high near 65.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napavine WA
 46.58°N 122.89°W (Elev. 400 ft)
Last Update:
11:26 pm PDT Oct 3, 2026
Forecast Valid:
3am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
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Additional Resources

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