Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

31°F

-1°C

Humidity 62%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 21 Feb 03:59 AM PST
Extended Forecast for

9 Miles W Quartz Hill CA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 49. North wind around 5 mph becoming west after midnight.

    Low: 49 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 72. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy.

    High: 69 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 62. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 49. North wind around 5 mph becoming west after midnight.
Tuesday
Sunny, with a high near 72. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 51. West northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 69. Breezy.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Quartz Hill CA
 34.65°N 118.37°W (Elev. 3396 ft)
6:56 pm PST Feb 22, 2026
10pm PST Feb 22, 2026-6pm PST Mar 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database