Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

74°F

23°C

Humidity 25%
Wind Speed SSW 22 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 05 Sep 04:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 30 mph.

    Low: 61 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 70. South southwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 25 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am.  Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 11am.  Mostly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 30 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 70. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 61. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Labor Day
Sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 65. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 25 mph.
Tuesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A slight chance of showers before 11am. Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
11:26 am PDT Sep 5, 2026
5pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026
 
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