Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

77°F

25°C

Humidity 30%
Wind Speed SW 18 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 24 Jul 09:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Heat Advisory July 24, 10:36pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 24, 10:36pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 73 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 95. West northwest wind 10 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 72. West wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 95. West northwest wind 10 to 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 72. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 94.
Monday Night
Clear, with a low around 68.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
1:03 pm PDT Jul 24, 2026
10pm PDT Jul 24, 2026-6pm PDT Jul 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database