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

52°F

11°C

Humidity 67%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 10 Mar 06:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Wind Advisory until March 11, 09:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 11, 09:00am

    NOW until 9:00am Wed

    Wind Advisory

  • Tonight

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northwest wind 10 to 15 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northeast wind around 10 mph becoming north northwest in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday
Sunny, with a high near 72. Northwest wind 10 to 15 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 46. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 49. Northeast wind around 10 mph becoming north northwest in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 87.
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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:
2:09 pm PDT Mar 10, 2026
Forecast Valid:
7pm PDT Mar 10, 2026-6pm PDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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