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

64°F

18°C

Humidity 54%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 09 Apr 02:57 PM PDT
Extended Forecast for

Clearlake CA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 69. South wind around 8 mph. Chance of precipitation is 40%.

    High: 69 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. South southwest wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 40%.

    Low: 44 °F

    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 61. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 44. South wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Rain before 11pm, then showers after 11pm. Low around 38. South southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. Patchy fog before 11am. High near 53. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 69. South wind around 8 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. South southwest wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 40%.
Friday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 61. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 44. South wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 11pm, then showers after 11pm. Low around 38. South southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 11am. Patchy fog before 11am. High near 53. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 36.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 40.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Clearlake CA
 38.96°N 122.63°W (Elev. 1348 ft)
Last Update:
2:10 pm PDT Apr 9, 2026
Forecast Valid:
3pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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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