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

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

41°F

5°C

Humidity 44%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 05 Dec 03:59 AM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 60. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. North northeast wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 64. North wind around 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 42. North northeast wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 64. North wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 43. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 65. Breezy.
Monday Night
Mostly clear, with a low around 46. Breezy.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
1:36 am PST Dec 5, 2025
Forecast Valid:
4am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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