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

61°F

16°C

Humidity 2%
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint -27°F (-33°C)
Visibility NA
Last update 17 Jun 03:59 AM PDT
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 49. Breezy.

    Low: 49 °F

    Clear and
    Breezy then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Breezy.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 51. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Juneteenth
Sunny, with a high near 74. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Clear, with a low around 49. Breezy.
Saturday
Sunny, with a high near 74. Breezy.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 52.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
1:57 am PDT Jun 17, 2026
Forecast Valid:
4am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
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