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

41°F

5°C

Humidity 39%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 01 Dec 11:59 PM PST
Extended Forecast for

11 Miles W Quartz Hill CA

  • Overnight

    Overnight: Clear, with a low around 35. Wind chill values as low as 25. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Wind chill values as low as 25 early. Northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Wind chill values as low as 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 50. Wind chill values as low as 30 early. Breezy, with an east northeast wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 35. Wind chill values as low as 25. North wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 58. Wind chill values as low as 25 early. Northeast wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. Wind chill values as low as 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 50. Wind chill values as low as 30 early. Breezy, with an east northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly clear, with a low around 35. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
Sunny, with a high near 51. Breezy.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.67°N 118.4°W (Elev. 3599 ft)
Last Update:
11:06 pm PST Dec 1, 2025
Forecast Valid:
12am PST Dec 2, 2025-6pm PST Dec 8, 2025
 
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