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

35°F

2°C

Humidity 93%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 21 Feb 03:57 AM PST
Extended Forecast for

Clearlake CA

  • Tonight

    Tonight: A slight chance of showers before 1am, then rain likely, mainly after 4am. Mostly cloudy, with a low around 39. South southeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Slight Chance
    Showers then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. South wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42. Light east southeast wind.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 63. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 63 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm. Low around 48. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 57. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Patchy fog after 1am. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
A slight chance of showers before 1am, then rain likely, mainly after 4am. Mostly cloudy, with a low around 39. South southeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. South wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42. Light east southeast wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 63. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Monday Night
Rain, mainly after 10pm. Low around 48. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 57. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Patchy fog after 1am. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain before 10am. Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
A slight chance of rain. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.96°N 122.63°W (Elev. 1348 ft)
Last Update:
1:10 pm PST Feb 21, 2026
Forecast Valid:
7pm PST Feb 21, 2026-6pm PST Feb 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation