Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

37°F

3°C

Humidity 96%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 18 Oct 05:09 AM PDT
Extended Forecast for

3 Miles E Napavine WA

  • Today

    Today: Mostly sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Cloudy

  • Monday Night

    Monday Night: Areas of fog before 2am, then patchy fog after 5am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 37. Light north wind.

    Low: 37 °F

    Mostly Cloudy
    then Areas
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Patchy frost before 9am.  Otherwise, sunny, with a high near 62. North wind 3 to 7 mph.

    High: 62 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Patchy frost after 4am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Patchy frost before 9am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Wednesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 11am.  Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 38. Calm wind.
Monday
Cloudy, with a high near 59. Calm wind.
Monday Night
Areas of fog before 2am, then patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 37. Light north wind.
Tuesday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, sunny, with a high near 62. North wind 3 to 7 mph.
Tuesday Night
Patchy fog after 1am. Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Wednesday
Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A slight chance of rain after 11am. Partly sunny, with a high near 59.
Thursday Night
A chance of rain, mainly after 11pm. Partly cloudy, with a low around 36.
Friday
A slight chance of rain. Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Napavine WA
 46.57°N 122.83°W (Elev. 400 ft)
11:26 pm PDT Oct 17, 2026
5am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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