Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

66°F

19°C

Humidity 48%
Wind Speed SW 12 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Aug 09:59 PM PDT
Extended Forecast for

10 Miles SW Quartz Hill CA

  • Tonight

    Tonight: Mostly clear, with a low around 60. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 68. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Quartz Hill CA
 34.56°N 118.35°W (Elev. 4629 ft)
10:01 pm PDT Aug 15, 2026
10pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database