Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

63°F

17°C

Humidity 80%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 21 Jul 08:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Heat Advisory July 22, 10:00am until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 64. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 64. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 91. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 67. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 95. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 71. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 68.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
12:58 pm PDT Jul 21, 2026
10pm PDT Jul 21, 2026-6pm PDT Jul 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database