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

51°F

11°C

Humidity 48%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 24 Nov 05:59 PM PST
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: 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

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 59. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 43. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 59. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 45. Northeast wind around 15 mph, with gusts as high as 25 mph.
Thanksgiving Day
Mostly sunny, with a high near 58.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 62.
Friday Night
Clear, with a low around 42.
Saturday
A slight chance of showers after 10am. Mostly sunny, with a high near 51.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 37.
Sunday
A slight chance of showers. Partly sunny, with a high near 46.
Sunday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 35. Breezy.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:36 pm PST Nov 24, 2025
Forecast Valid:
6pm PST Nov 24, 2025-6pm PST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation