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

60°F

16°C

Humidity 18%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 06 Apr 12:59 AM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. North northwest wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

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

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. North northwest wind around 10 mph.
Monday
Sunny, with a high near 72. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 53. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A slight chance of rain and thunderstorms after 11am. Partly sunny, with a high near 59.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 55.
Saturday Night
A chance of rain. Partly cloudy, with a low around 46.
Sunday
A slight chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
Last Update:
11:27 pm PDT Apr 5, 2026
Forecast Valid:
1am PDT Apr 6, 2026-6pm PDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation