Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

83°F

28°C

Humidity 18%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index80°F (27°C)
Last update 24 Sep 09:59 AM PDT
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 87. Northeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Breezy, with a west wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Breezy.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

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

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Northeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 62. West wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 81. Breezy, with a west wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 59. Breezy.
Sunday
Sunny, with a high near 74. Breezy.
Sunday Night
Mostly clear, with a low around 52. Breezy.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 51. Breezy.
Tuesday
Sunny, with a high near 76. Breezy.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
7:52 am PDT Sep 24, 2026
10am PDT Sep 24, 2026-6pm PDT Sep 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database