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

52°F

11°C

Humidity 44%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 29 Nov 09:59 AM PST
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Today

    Today: Mostly sunny, with a high near 57. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind 5 to 10 mph becoming southwest after midnight.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 50. Breezy, with a northeast wind around 25 mph, with gusts as high as 35 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain, mainly after 4pm. Mostly sunny, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 57. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 46. North wind 5 to 10 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 55. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 42. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 50. Breezy, with a northeast wind around 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 40. Breezy.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
A chance of rain, mainly after 4pm. Mostly sunny, with a high near 46.
Wednesday Night
A chance of rain, mainly before 10pm. Partly cloudy, with a low around 41. Breezy.
Thursday
Mostly sunny, with a high near 46. Breezy.
Thursday Night
Mostly clear, with a low around 42. Breezy.
Friday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
8:56 am PST Nov 29, 2025
Forecast Valid:
10am PST Nov 29, 2025-6pm PST Dec 5, 2025
 
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Additional Resources

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Chance of Precipitation