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 93%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 07 Oct 01:09 AM PDT
Extended Forecast for

3 Miles N Napavine WA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly clear, with a low around 48. Light north northwest wind.

    Low: 48 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. North wind 3 to 5 mph.

    High: 72 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 48. Light northwest wind.

    Low: 48 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 75. Light north northwest wind.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 48. Light north northwest wind.
Wednesday
Areas of fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 72. North wind 3 to 5 mph.
Wednesday Night
Increasing clouds, with a low around 48. Light northwest wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 75. Light north northwest wind.
Thursday Night
Partly cloudy, with a low around 50. Calm wind.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 39.
Columbus Day
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Napavine WA
 46.62°N 122.91°W (Elev. 400 ft)
Last Update:
1:45 am PDT Oct 7, 2026
Forecast Valid:
1am PDT Oct 7, 2026-6pm PDT Oct 13, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation