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

GRASS MOUNTAIN (GMTC1)

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

NA

57°F

14°C

Humidity 21%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 06 Apr 02:59 AM PDT
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. North wind around 10 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. West northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Breezy.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. Breezy.

    High: 69 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 54. North wind around 10 mph.
Monday
Sunny, with a high near 76. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 52. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 76. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 51. West northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 74. Breezy.
Wednesday Night
Partly cloudy, with a low around 53. Breezy.
Thursday
Partly sunny, with a high near 69. Breezy.
Thursday Night
Partly cloudy, with a low around 48. Breezy.
Friday
A chance of rain and thunderstorms after 11am. Partly sunny, with a high near 61. Breezy.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 46. Breezy.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:42 am PDT Apr 6, 2026
Forecast Valid:
3am PDT Apr 6, 2026-6pm PDT Apr 12, 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