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 58%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 16 Apr 09:59 AM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Today

    Today: Mostly sunny, with a high near 65. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Clear, with a low around 43. Breezy, with a west northwest wind 15 to 25 mph becoming northeast after midnight. Winds could gust as high as 35 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 59. Windy, with a northeast wind 25 to 35 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 59 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 65. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 43. Breezy, with a west northwest wind 15 to 25 mph becoming northeast after midnight. Winds could gust as high as 35 mph.
Friday
Sunny, with a high near 59. Windy, with a northeast wind 25 to 35 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Mostly clear, with a low around 47. North wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 73. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 45. Breezy.
Monday
Sunny, with a high near 65. Breezy.
Monday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 45. Breezy.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59. Breezy.
Tuesday Night
Partly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.67°N 118.4°W (Elev. 3599 ft)
Last Update:
7:15 am PDT Apr 16, 2026
Forecast Valid:
11am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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