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.

Fog

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 34°F (1°C)
Visibility 0.25 mi
Last update 29 Dec 10:55 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog

  • Tuesday

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

    High: 44 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between midnight and 1am. Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Tuesday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 44. Calm wind.
Tuesday Night
Patchy fog between midnight and 1am. Otherwise, partly cloudy, with a low around 30. Calm wind.
Wednesday
Partly sunny, with a high near 47. Calm wind.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 33. Calm wind.
New Year's Day
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
Rain. Cloudy, with a high near 48.
Friday Night
Rain likely. Mostly cloudy, with a low around 39.
Saturday
Rain likely. Mostly cloudy, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Monday
Rain likely. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
Last Update:
7:01 pm PST Dec 29, 2025
Forecast Valid:
11pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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