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

65°F

18°C

Humidity 25%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 07 Nov 12:59 PM PST
Extended Forecast for

7 Miles SW Quartz Hill CA

Wind Advisory until November 7, 02:00pm
Red Flag Warning until November 7, 06:00pm
Click here for hazard details and duration
...
Red Flag Warning
  •  
    Wind Advisory until November 7, 02:00pm
    Red Flag Warning until November 7, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Northeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 55. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 64. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 56. Northeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 65. Northeast wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Clear, with a low around 53.
Veterans Day
Sunny, with a high near 64.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Quartz Hill CA
 34.57°N 118.3°W (Elev. 4797 ft)
Last Update:
12:57 pm PST Nov 7, 2026
Forecast Valid:
1pm PST Nov 7, 2026-6pm PST Nov 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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