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

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

NA

57°F

14°C

Humidity 21%
Wind Speed NE 8 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 18 Apr 09:36 AM PDT
Extended Forecast for

18 Miles N Clearlake CA

  • Today

    Today: Increasing clouds, with a high near 65. Calm wind becoming east around 6 mph in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 47. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 51. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain Likely

  • Monday Night

    Monday Night: Showers. Low around 45. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 47. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 65. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph.
Sunday
Partly sunny, with a high near 63. South wind 5 to 14 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 47. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Monday
Rain likely. Mostly cloudy, with a high near 51. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Low around 45. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 47. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Clearlake CA
 39.23°N 122.65°W (Elev. 3025 ft)
Last Update:
2:10 am PDT Apr 18, 2026
Forecast Valid:
10am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation