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

38°F

3°C

Humidity 26%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 27 Jan 05:59 AM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 57. Wind chill values as low as 30 early. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 59. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Wind chill values as low as 30 early. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 41. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 40. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 63. Breezy.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
2:36 am PST Jan 27, 2026
Forecast Valid:
6am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
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