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

72°F

22°C

Humidity 13%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 16 Jun 04:59 AM PDT
Extended Forecast for

5 Miles WSW Quartz Hill CA

  • Today

    Today: Sunny, with a high near 94. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 94 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 62. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.

    Low: 62 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 94. West northwest wind 10 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 90. Breezy.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 65. Breezy.

    Low: 65 °F

    Clear and
    Breezy then
    Clear

  • Friday

    Friday: Sunny, with a high near 87. Breezy.

    High: 87 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 94. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Mostly clear, with a low around 62. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Tuesday
Sunny, with a high near 94. West northwest wind 10 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Clear, with a low around 65. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 93. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 67.
Juneteenth
Sunny, with a high near 90. Breezy.
Thursday Night
Clear, with a low around 65. Breezy.
Friday
Sunny, with a high near 87. Breezy.
Friday Night
Clear, with a low around 61. Breezy.
Saturday
Sunny, with a high near 79. Breezy.
Saturday Night
Clear, with a low around 56. Breezy.
Sunday
Sunny, with a high near 81.
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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:
3:11 am PDT Jun 16, 2025
Forecast Valid:
5am PDT Jun 16, 2025-6pm PDT Jun 22, 2025
 
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