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

58°F

14°C

Humidity 23%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 05 Apr 08:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Breezy.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming northwest after midnight.
Monday
Sunny, with a high near 74. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 52. West northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 73. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 51. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 72. Breezy.
Wednesday Night
Partly cloudy, with a low around 52. Breezy.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 48. Breezy.
Friday
A slight chance of rain, then a chance of rain and thunderstorms after 11am. Partly sunny, with a high near 61. Breezy.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Breezy.
Saturday
A chance of rain. Partly sunny, with a high near 58.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 63.
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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:
11:27 am PDT Apr 5, 2026
Forecast Valid:
9pm PDT Apr 5, 2026-6pm PDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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