National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

61°F

16°C

Humidity 68%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 03 Oct 11:59 AM PDT
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 46. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.

    Low: 46 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 72. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71. North northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 46. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.
Saturday
Sunny, with a high near 72. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 71. North northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 47.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 49.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
2:06 am PDT Oct 3, 2025
Forecast Valid:
12pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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