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

64°F

18°C

Humidity 35%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 05 Nov 02:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

Red Flag Warning November 7, 02:00am until November 7, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Clear then
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 67. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Clear, with a low around 47. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Clear, with a low around 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 67. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Clear, with a low around 51.
Veterans Day
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
10:26 am PST Nov 5, 2026
Forecast Valid:
3pm PST Nov 5, 2026-6pm PST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation