National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

44°F

7°C

Humidity 32%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 29 Jan 06:59 AM PST
Extended Forecast for

11 Miles W Quartz Hill CA

Wind Advisory until January 29, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until January 29, 02:00pm

    NOW until 2:00pm Thu

    Wind Advisory

  • Today

    High: 59 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 61. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 59. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 44. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 61. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 46. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 62. Northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 61. Breezy.
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
 34.65°N 118.43°W (Elev. 3832 ft)
Last Update:
2:22 am PST Jan 29, 2026
Forecast Valid:
8am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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