Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
73°F
23°C
| Humidity | 37% |
| Wind Speed | WSW 7 MPH |
| Barometer | NA |
| Dewpoint | 45°F (7°C) |
| Visibility | NA |
| Last update | 02 Aug 11:59 PM PDT |
Extended Forecast for
11 Miles W Quartz Hill CA
Heat Advisory August 3, 10:00am until August 5, 08:00pm
Overnight

Low: 72 °F
Clear
Monday
High: 92 °F
Sunny then
Sunny and
BreezyMonday Night

Low: 71 °F
Clear
Tuesday

High: 90 °F
Sunny
Tuesday Night

Low: 71 °F
Clear
Wednesday

High: 92 °F
Sunny
Wednesday Night

Low: 71 °F
Clear
Thursday

High: 92 °F
Sunny
Thursday Night

Low: 70 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 72. West southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 92. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 71. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Clear, with a low around 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 71.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 70.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
11 Miles W Quartz Hill CA
34.65°N 118.43°W (Elev. 3832 ft)
34.65°N 118.43°W (Elev. 3832 ft)
11:36 pm PDT Aug 2, 2026
1am PDT Aug 3, 2026-6pm PDT Aug 9, 2026



