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

68°F

20°C

Humidity 36%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 14 Aug 11:59 PM PDT
Extended Forecast for

9 Miles W Quartz Hill CA

  • Overnight

    Overnight: Mostly clear, with a low around 67. West wind around 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 64 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 67. West wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 83. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 64. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday
Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Quartz Hill CA
 34.65°N 118.37°W (Elev. 3396 ft)
Last Update:
7:35 pm PDT Aug 14, 2025
Forecast Valid:
12am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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