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

49°F

9°C

Humidity 28%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 18 Apr 03:36 AM PDT
Extended Forecast for

15 Miles N Clearlake CA

  • Overnight

    Overnight: Mostly clear, with a low around 48. North wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 65. North wind 5 to 7 mph becoming south southeast in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. South wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 64. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 64 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 48 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Showers. Low around 47. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 48. Breezy.

    High: 48 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 48. North wind around 5 mph.
Saturday
Increasing clouds, with a high near 65. North wind 5 to 7 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. South wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 64. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Low around 47. 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. Cloudy, with a high near 48. Breezy.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Clearlake CA
 39.19°N 122.64°W (Elev. 3399 ft)
Last Update:
2:10 am PDT Apr 18, 2026
Forecast Valid:
3am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation