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

74°F

23°C

Humidity 39%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Jul 07:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 68. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 65. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 65 °F

    Clear and
    Breezy then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 60 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 68. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 89. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Clear, with a low around 65. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 82. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Tuesday Night
Clear, with a low around 60. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 88.
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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:
1:34 pm PDT Jul 13, 2025
Forecast Valid:
8pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
 
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