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

53°F

12°C

Humidity 85%
Wind Speed NE 17 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 02 May 10:59 PM PDT
Extended Forecast for

7 Miles WSW Quartz Hill CA

  • Overnight

    Overnight: Partly cloudy, with a low around 51. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a south southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 52. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 44. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 44 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59. Breezy, with a south southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Monday
Mostly sunny, with a high near 52. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Tuesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 59. Breezy.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
11:26 pm PDT May 2, 2026
Forecast Valid:
12am PDT May 3, 2026-6pm PDT May 9, 2026
 
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