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.

Mist

46°F

8°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Last update 02 Jan 10:35 PM PST
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Rain. Low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Rain

  • Saturday

    Saturday: Rain, mainly before 1pm. High near 53. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Steady temperature around 47. South wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain. High near 49. South southwest wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 38. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 44.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Tonight
Rain. Low around 43. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 1pm. High near 53. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Steady temperature around 47. South wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 49. South southwest wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 38. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 46.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 44.
Tuesday Night
Rain. Cloudy, with a low around 37.
Wednesday
Rain. Mostly cloudy, with a high near 44.
Wednesday Night
Rain. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35.
Friday
A slight chance of rain and snow. Mostly cloudy, with a high near 47.
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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:
7:01 pm PST Jan 2, 2026
Forecast Valid:
10pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
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