Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

73°F

23°C

Humidity 37%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 02 Aug 11:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Heat Advisory August 3, 10:00am until August 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Clear, with a low around 72. West southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 72. West southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 92. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Clear, with a low around 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 71.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 70.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
11:36 pm PDT Aug 2, 2026
1am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database