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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.96°N 122.63°W (Text-Only)
NWS Forecast for: Clearlake CA
Issued by: National Weather Service Eureka, CA
Last Update: 1:10 pm PST Dec 4, 2025		Print

  • Tonight

    Tonight: Mostly clear, with a low around 37. Light north northwest wind.

    Low: 37 °F

    Mostly Clear


  • Friday

    Friday: Sunny, with a high near 67. West northwest wind 3 to 5 mph.

    High: 67 °F

    Sunny


  • Friday
    Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 41. Light west northwest wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, sunny, with a high near 65. Light west northwest wind.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Saturday
    Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday
    Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy


    • Tonight: Mostly clear, with a low around 37. Light north northwest wind.

    Friday: Sunny, with a high near 67. West northwest wind 3 to 5 mph.

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 41. Light west northwest wind.

    Saturday: Patchy fog before 10am. Otherwise, sunny, with a high near 65. Light west northwest wind.

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 41. Calm wind.

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 41.

    Monday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 66.

    Monday Night: Partly cloudy, with a low around 42.

    Tuesday: Mostly sunny, with a high near 68.

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 44.

    Wednesday: Patchy fog. Otherwise, mostly sunny, with a high near 70.

    Wednesday Night: Mostly clear, with a low around 44.

    Thursday: Sunny, with a high near 69.


    Clearlake CA
     38.96°N 122.63°W (Elev. 1348 ft)

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