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

67°F

19°C

Humidity 50%
Wind Speed SSW 18 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 15 Jul 06:59 AM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Today

    Today: Sunny, with a high near 80. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 80 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 58. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Clear and
    Breezy then
    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
Clear, with a low around 58. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Clear, with a low around 59. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.4°W (Elev. 3799 ft)
Last Update:
3:08 am PDT Jul 15, 2025
Forecast Valid:
8am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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