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

41°F

5°C

Humidity 33%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 26 Jan 08:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 36. Wind chill values as low as 30. North northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. Wind chill values as low as 25 early. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly 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

    Mostly Sunny
    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.

    High: 61 °F

    Sunny and
    Breezy

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 36. Wind chill values as low as 30. North northeast wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 57. Wind chill values as low as 25 early. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 41. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly 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.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 64.
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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:
7:27 pm PST Jan 26, 2026
Forecast Valid:
10pm PST Jan 26, 2026-6pm PST Feb 2, 2026
 
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