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

67°F

19°C

Humidity 22%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 11 Nov 12:59 PM PST
Extended Forecast for

15 Miles W Quartz Hill CA

  • Veterans Day

    Veterans Day: Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. North northeast wind around 5 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 68 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of rain. Partly sunny, with a high near 56. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 4am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Clear, with a low around 50. North northeast wind around 5 mph.
Thursday
Increasing clouds, with a high near 68. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 48. Southwest wind around 5 mph.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 56. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 46. Breezy. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A chance of rain after 4am. Mostly cloudy, with a low around 44.
Monday
Rain likely. Mostly cloudy, with a high near 51.
Monday Night
Rain likely. Mostly cloudy, with a low around 38. Windy.
Tuesday
Mostly sunny, with a high near 48. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W Quartz Hill CA
 34.69°N 118.46°W (Elev. 3550 ft)
Last Update:
11:41 am PST Nov 11, 2026
Forecast Valid:
1pm PST Nov 11, 2026-6pm PST Nov 17, 2026
 
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Additional Resources

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Chance of Precipitation