Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
66°F
19°C
| Humidity | 23% |
| Wind Speed | NE 9 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 16 May 04:59 PM PDT |
Extended Forecast for
7 Miles WSW Quartz Hill CA
Tonight
Low: 50 °F
Mostly Clear
and Breezy
then Partly
CloudySunday

High: 63 °F
Mostly Sunny
and BreezySunday Night

Low: 47 °F
Mostly Clear
and BreezyMonday

High: 65 °F
Sunny and
BreezyMonday Night

Low: 51 °F
Clear
Tuesday

High: 75 °F
Sunny
Tuesday Night

Low: 56 °F
Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 58 °F
Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 50. Breezy, with a west northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Sunday
Mostly sunny, with a high near 63. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Breezy, with a west wind 15 to 20 mph becoming east northeast after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 65. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Clear, with a low around 51. Northeast wind 5 to 10 mph becoming west southwest in the evening. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 76.
Thursday Night
Clear, with a low around 57. Breezy.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 55. Breezy.
Saturday
Sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
7 Miles WSW Quartz Hill CA
34.59°N 118.3°W (Elev. 4199 ft)
34.59°N 118.3°W (Elev. 4199 ft)
2:42 pm PDT May 16, 2026
6pm PDT May 16, 2026-6pm PDT May 23, 2026


