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

11 Miles WSW Quartz Hill CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. North wind around 10 mph becoming west after midnight.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. West 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 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

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

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 42. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 63. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. North wind around 10 mph becoming west after midnight.
Tuesday
Sunny, with a high near 72. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
1:07 pm PST Feb 22, 2026
1pm PST Feb 22, 2026-6pm PST Feb 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database