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

43°F

6°C

Humidity 29%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 02 Dec 06:59 AM PST
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 55. East northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 49. Windy, with an east northeast wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 49 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Wind chill values as low as 25. Windy, with an east northeast wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 38 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 48. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 48 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 55. East northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 40. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 49. Windy, with an east northeast wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Mostly clear, with a low around 38. Wind chill values as low as 25. Windy, with an east northeast wind 25 to 30 mph, with gusts as high as 45 mph.
Thursday
Sunny, with a high near 48. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 53.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 44.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
1:41 am PST Dec 2, 2025
Forecast Valid:
7am PST Dec 2, 2025-6pm PST Dec 8, 2025
 
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