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

63°F

17°C

Humidity 29%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Apr 03:36 PM PDT
Extended Forecast for

15 Miles N Clearlake CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. South southeast wind 5 to 7 mph becoming light and variable in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 48. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Slight Chance
    Drizzle

  • Monday

    Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. Breezy, with a southwest wind 9 to 14 mph becoming south southeast 16 to 21 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Rain. Low around 46. Breezy, with a south wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 48. Breezy, with a south wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

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

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. South southeast wind 5 to 7 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 64. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 48. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. Breezy, with a southwest wind 9 to 14 mph becoming south southeast 16 to 21 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 46. Breezy, with a south wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 48. Breezy, with a south wind 10 to 17 mph, with gusts as high as 24 mph. 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. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 64.
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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 pm PDT Apr 18, 2026
Forecast Valid:
4pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation