National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Partly Cloudy

37°F

3°C

Humidity 100%
Wind Speed NNE 4 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 29 Dec 04:55 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Tuesday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 44. Calm wind.
Tuesday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 48. Calm wind.
Wednesday Night
A 10 percent chance of rain after 4am. Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
New Year's Day
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Rain. Mostly cloudy, with a high near 50.
Friday Night
Rain likely. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
1:25 pm PST Dec 29, 2025
Forecast Valid:
5pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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