Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

61°F

16°C

Humidity 27%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 14 Jan 01:59 PM PST
Extended Forecast for

11 Miles W Quartz Hill CA

Wind Advisory January 14, 02:41pm until January 15, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 14, 02:41pm until January 15, 02:00pm

    NOW until 2:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 58 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 51. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 51 °F

    Clear and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 63. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with an east northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Breezy, with a northeast wind around 25 mph, with gusts as high as 40 mph.
Tonight
Clear, with a low around 51. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Thursday
Sunny, with a high near 63. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 50. Northeast wind around 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 62. Breezy, with an east northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 43. Breezy.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 45.
M.L.King Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
1:41 pm PST Jan 14, 2026
2pm PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database