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

66°F

19°C

Humidity 55%
Wind Speed SSW 12 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 11 Aug 05:59 AM PDT
Extended Forecast for

12 Miles W Quartz Hill CA

  • Today

    Today: Mostly sunny, with a high near 84. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 84 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 77 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 64. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 77. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 60. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Thursday
Mostly sunny, with a high near 73. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around 55. Breezy.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
Last Update:
1:41 am PDT Aug 11, 2026
Forecast Valid:
6am PDT Aug 11, 2026-6pm PDT Aug 17, 2026
 
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