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

44°F

7°C

Humidity 98%
Wind Speed SW 14 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 31 Mar 08:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 11pm. Cloudy early, then gradual clearing, with a low around 42. West southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 52. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy, with a west northwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 58. Windy.

    High: 58 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Breezy.

    Low: 51 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Breezy.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 11pm. Cloudy early, then gradual clearing, with a low around 42. West southwest wind around 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 52. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 52. Breezy, with a west northwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Mostly clear, with a low around 37. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 58. Windy.
Friday Night
Partly cloudy, with a low around 51. Breezy.
Saturday
Mostly sunny, with a high near 69. Breezy.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
Last Update:
8:17 pm PDT Mar 31, 2026
Forecast Valid:
9pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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Chance of Precipitation