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

65°F

18°C

Humidity 48%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 04 Jul 08:59 PM PDT
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Mostly Clear
    and Breezy
    then Clear

  • Monday

    Monday: Sunny, with a high near 88. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 67. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Clear and
    Breezy then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 65. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 88. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 67. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 71.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 69. Breezy.
Friday
Sunny, with a high near 84. Breezy.
Friday Night
Mostly clear, with a low around 67. Breezy.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
11:26 am PDT Jul 4, 2026
Forecast Valid:
9pm PDT Jul 4, 2026-6pm PDT Jul 11, 2026
 
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