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

53°F

12°C

Humidity 27%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 04 Feb 10:59 PM PST
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Increasing
    Clouds and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. East wind around 10 mph becoming south in the evening. Winds could gust as high as 15 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. East northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. West wind around 5 mph becoming north after midnight.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 47. East wind around 10 mph becoming south in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 58. East northeast wind around 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 46. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 61.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 60. Breezy.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 44. Breezy.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49. Breezy.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 47.
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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:
11:52 pm PST Feb 4, 2026
Forecast Valid:
11pm PST Feb 4, 2026-6pm PST Feb 11, 2026
 
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