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

60°F

16°C

Humidity 21%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Nov 07:59 PM PST
Extended Forecast for

8 Miles SW Quartz Hill CA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain after 4pm. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 50. Northeast wind around 15 mph, with gusts as high as 20 mph.
Veterans Day
Sunny, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 50.
Friday
A slight chance of rain after 4pm. Mostly sunny, with a high near 62.
Friday Night
A chance of rain, mainly between 10pm and 4am. Partly cloudy, with a low around 48.
Saturday
A slight chance of rain before 10am. Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Quartz Hill CA
 34.59°N 118.33°W (Elev. 3396 ft)
Last Update:
1:26 pm PST Nov 9, 2026
Forecast Valid:
8pm PST Nov 9, 2026-6pm PST Nov 16, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation