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

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

54°F

12°C

Humidity 76%
Wind Speed SSW 1 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 18 Oct 12:00 PM PDT
Extended Forecast for

3 Miles S Onalaska WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. North wind 3 to 5 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Cloudy

  • Monday Night

    Monday Night: Patchy fog before 2am, then patchy fog after 5am. Patchy frost after 5am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 36. Light north wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Patchy frost before 9am.  Otherwise, mostly sunny, with a high near 62. Calm wind becoming north around 6 mph in the afternoon.

    High: 62 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 1am and 5am. Patchy frost after 4am.  Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Patchy frost before 9am.  Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

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

    High: 59 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. North wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 37. Calm wind.
Monday
Cloudy, with a high near 60. Calm wind.
Monday Night
Patchy fog before 2am, then patchy fog after 5am. Patchy frost after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 36. Light north wind.
Tuesday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Patchy fog between 1am and 5am. Patchy frost after 4am. Otherwise, mostly clear, with a low around 37.
Wednesday
Patchy fog before 7am. Patchy frost before 9am. Otherwise, sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of showers after 11am. Partly sunny, with a high near 59.
Thursday Night
A chance of showers, mainly after 11pm. Partly cloudy, with a low around 36.
Friday
A slight chance of showers. Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Onalaska WA
 46.54°N 122.72°W (Elev. 528 ft)
11:25 am PDT Oct 18, 2026
12pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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