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

33°F

1°C

Humidity 64%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 20 Feb 09:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

  • Tonight

    Tonight: Clear, with a low around 32. Wind chill values as low as 25. North northeast wind around 5 mph.

    Low: 32 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Wind chill values as low as 20 early. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Wind chill values as low as 30. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Wind chill values as low as 30 early. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 32. Wind chill values as low as 25. North northeast wind around 5 mph.
Saturday
Sunny, with a high near 52. Wind chill values as low as 20 early. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 36. Wind chill values as low as 30. Northeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57. Wind chill values as low as 30 early. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 41. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
8:27 pm PST Feb 20, 2026
Forecast Valid:
10pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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