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

68°F

20°C

Humidity 32%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 03 Aug 03:59 AM PDT
Extended Forecast for

5 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 89. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 66. Breezy, with a west southwest wind around 20 mph becoming northwest in the evening. Winds could gust as high as 30 mph.

    Low: 66 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 89. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 89 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 90. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Breezy.

    Low: 67 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 70 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 89. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 66. Breezy, with a west southwest wind around 20 mph becoming northwest in the evening. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 89. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 65. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 90. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 67. Breezy.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 70. Breezy.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 71. Breezy.
Friday
Sunny and hot, with a high near 96. Breezy.
Friday Night
Mostly clear, with a low around 68. Breezy.
Saturday
Sunny, with a high near 88. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Quartz Hill CA
 34.62°N 118.28°W (Elev. 3340 ft)
Last Update:
3:09 am PDT Aug 3, 2025
Forecast Valid:
5am PDT Aug 3, 2025-6pm PDT Aug 9, 2025
 
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