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

54°F

12°C

Humidity 94%
Wind Speed SW 16 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 27 Jun 07:59 PM PDT
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 52 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 67. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: 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

  • Tuesday

    Tuesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52. Breezy.

    Low: 52 °F

    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. Breezy.

    Low: 52 °F

    Clear and
    Breezy then
    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 67. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 51. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 68. Breezy.
Tuesday Night
Clear, with a low around 52. Breezy.
Wednesday
Sunny, with a high near 68. Breezy.
Wednesday Night
Clear, with a low around 52. Breezy.
Thursday
Sunny, with a high near 70. Breezy.
Thursday Night
Mostly clear, with a low around 56. Breezy.
Friday
Sunny, with a high near 74. Breezy.
Friday Night
Mostly clear, with a low around 59. Breezy.
Independence Day
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
12:37 pm PDT Jun 27, 2026
Forecast Valid:
9pm PDT Jun 27, 2026-6pm PDT Jul 4, 2026
 
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