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

54°F

12°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Sep 04:55 AM PDT
Extended Forecast for

Rochester WA

  • Today

    Today: Rain, mainly after 2pm. High near 66. South southeast wind 8 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Partly Sunny
    then Rain

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 51. South wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 65. South wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 51. South wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 2pm. High near 66. South southeast wind 8 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 51. South wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 65. South wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 51. South wind 14 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 66.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Saturday
A slight chance of rain before 11am. Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Rochester WA
 46.81°N 123.09°W (Elev. 200 ft)
Last Update:
2:25 am PDT Sep 30, 2025
Forecast Valid:
5am PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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