7-Day Forecast 46.66°N 122.95°W (Text-Only)
NWS Forecast for: Chehalis WA
Issued by: National Weather Service Seattle, WA
Last Update: 8:01 pm PDT Jul 16, 2025
Print


  • Tonight

    Tonight: Mostly clear, with a low around 51. Light west southwest wind.

    Low: 51 °F

    Mostly Clear


  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear


  • Friday

    Friday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Sunny


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 52. West wind 5 to 10 mph becoming light west southwest  after midnight.

    Low: 52 °F

    Partly Cloudy


  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny


  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy


  • Sunday

    Sunday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy


  • Sunday
    Night

    Sunday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog



  • Tonight: Mostly clear, with a low around 51. Light west southwest wind.

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.

    Thursday Night: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.

    Friday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the afternoon.

    Friday Night: Partly cloudy, with a low around 52. West wind 5 to 10 mph becoming light west southwest after midnight.

    Saturday: Partly sunny, with a high near 72.

    Saturday Night: Mostly cloudy, with a low around 54.

    Sunday: Mostly cloudy, with a high near 72.

    Sunday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53.

    Monday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 74.

    Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 51.

    Tuesday: Patchy fog. Otherwise, mostly sunny, with a high near 79.

    Tuesday Night: Patchy fog. Otherwise, mostly clear, with a low around 52.

    Wednesday: Mostly sunny, with a high near 81.



    Chehalis WA
     46.66°N 122.95°W (Elev. 420 ft)

    Visit your local NWS office at: https://www.weather.gov/sew