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.

Mostly Cloudy

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Nov 02:15 AM PST
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: A slight chance of rain before 4am, then a slight chance of rain after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of rain before 4am, then a slight chance of rain after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of rain. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind.
Tuesday Night
Patchy fog. Otherwise, increasing clouds, with a low around 35. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Calm wind.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 39.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 50.
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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 am PST Nov 18, 2025
Forecast Valid:
2am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
Forecast Discussion
 
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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