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

53°F

12°C

Humidity 45%
Wind Speed SSE 12 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Apr 06:36 PM PDT
Extended Forecast for

18 Miles N Clearlake CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 46. Southwest wind 6 to 14 mph.

    Low: 46 °F

    Slight Chance
    Drizzle

  • Monday

    Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 50. South southeast wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 44. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 47. South southeast wind 6 to 13 mph, with gusts as high as 23 mph. 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 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 62. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 46. Southwest wind 6 to 14 mph.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 50. South southeast wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 44. South wind 6 to 10 mph, with gusts as high as 22 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 47. South southeast wind 6 to 13 mph, with gusts as high as 23 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 41. 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 52.
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 62.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 63.
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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 pm PDT Apr 18, 2026
Forecast Valid:
7pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation