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

42°F

6°C

Humidity 99%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 23 Jan 09:59 PM PST
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 38. West southwest wind around 10 mph.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy, with an east northeast wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 32. Wind chill values as low as 20. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Increasing clouds, with a high near 51. Wind chill values as low as 20 early. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. North northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 38. West southwest wind around 10 mph.
Saturday
Sunny, with a high near 52. Breezy, with an east northeast wind 10 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 32. Wind chill values as low as 20. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Increasing clouds, with a high near 51. Wind chill values as low as 20 early. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 32. North northeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 60.
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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:
8:07 pm PST Jan 23, 2026
Forecast Valid:
10pm PST Jan 23, 2026-6pm PST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

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