Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
76°F
24°C
| Humidity | 40% |
| Wind Speed | N 3 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Heat Index | 78°F (26°C) |
| Last update | 09 Sep 06:59 AM PDT |
Extended Forecast for
11 Miles WSW Quartz Hill CA
Today

High: 94 °F
Slight Chance
T-stormsTonight

Low: 75 °F
Mostly Clear
Thursday

High: 94 °F
Sunny
Thursday Night

Low: 73 °F
Mostly Clear
Friday

High: 90 °F
Sunny
Friday Night

Low: 61 °F
Clear
Saturday

High: 80 °F
Sunny
Saturday Night
Low: 56 °F
Clear then
Clear and
BreezySunday
High: 79 °F
Sunny and
Breezy then
Sunny
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. North northeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 75. West northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 94. Northwest wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 73. West wind around 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 90. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 56. Breezy.
Sunday
Sunny, with a high near 79. Breezy.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 79.
Monday Night
Clear, with a low around 53.
Tuesday
Sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
11 Miles WSW Quartz Hill CA
34.63°N 118.39°W (Elev. 3228 ft)
34.63°N 118.39°W (Elev. 3228 ft)
7:36 am PDT Sep 9, 2026
7am PDT Sep 9, 2026-6pm PDT Sep 15, 2026


