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

63°F

17°C

Humidity 31%
Wind Speed SSW 18 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 01 Sep 06:59 PM PDT
Extended Forecast for

10 Miles W Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Clear and
    Breezy then
    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. West wind around 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Clear and
    Breezy then
    Clear

  • Friday

    Friday: Sunny, with a high near 74. Breezy.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Breezy.

    Low: 55 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 11am. Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 59. Breezy.

    Low: 59 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Clear, with a low around 55. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 74. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 74. Breezy.
Friday Night
Mostly clear, with a low around 55. Breezy.
Saturday
A slight chance of showers after 11am. Mostly sunny, with a high near 76.
Saturday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 59. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 75.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60.
Labor Day
A chance of showers. Partly sunny, with a high near 77.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 60.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Quartz Hill CA
 34.65°N 118.4°W (Elev. 3799 ft)
Last Update:
12:06 pm PDT Sep 1, 2026
Forecast Valid:
7pm PDT Sep 1, 2026-6pm PDT Sep 8, 2026
 
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Additional Resources

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