National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

NA

69°F

21°C

Humidity 45%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 27 Feb 10:57 AM PST
Extended Forecast for

Clearlake CA

  • Today

    Today: Partly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Light west wind.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light west wind.

    Low: 43 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 74. Calm wind.
Tonight
Mostly cloudy, with a low around 53. Calm wind.
Saturday
A slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 48. Light west wind.
Sunday
A 30 percent chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of showers, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light west wind.
Monday
A 20 percent chance of showers. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 67.
Tuesday Night
A chance of rain after 4am. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.96°N 122.63°W (Elev. 1348 ft)
Last Update:
1:10 am PST Feb 27, 2026
Forecast Valid:
11am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
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Additional Resources

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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