Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
63°F
17°C
| Humidity | 80% |
| Wind Speed | SSW 13 MPH |
| Barometer | NA |
| Dewpoint | 57°F (14°C) |
| Visibility | NA |
| Last update | 21 Jul 08:59 PM PDT |
Extended Forecast for
11 Miles W Quartz Hill CA
Heat Advisory July 22, 10:00am until July 27, 08:00pm
Tonight

Low: 64 °F
Clear
Wednesday

High: 91 °F
Sunny
Wednesday Night

Low: 67 °F
Clear
Thursday

High: 95 °F
Sunny
Thursday Night

Low: 71 °F
Clear
Friday

High: 95 °F
Sunny
Friday Night

Low: 73 °F
Clear
Saturday

High: 92 °F
Sunny
Saturday Night

Low: 71 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 64. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 91. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 67. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 95. Northwest wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 71. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 68.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 88.
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)
12:58 pm PDT Jul 21, 2026
10pm PDT Jul 21, 2026-6pm PDT Jul 28, 2026



