Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
31°F
-1°C
| Humidity | 62% |
| Wind Speed | NNE 5 MPH |
| Barometer | NA |
| Dewpoint | 19°F (-7°C) |
| Visibility | NA |
| Wind Chill | 26°F (-3°C) |
| Last update | 21 Feb 03:59 AM PST |
Extended Forecast for
11 Miles WSW Quartz Hill CA
This Afternoon

High: 52 °F
Mostly Sunny
Tonight

Low: 37 °F
Partly Cloudy
Sunday

High: 58 °F
Sunny and
BreezySunday Night

Low: 42 °F
Mostly Clear
Monday
High: 64 °F
Mostly Sunny
and Breezy
then SunnyMonday Night

Low: 48 °F
Mostly Clear
Tuesday

High: 70 °F
Sunny
Tuesday Night

Low: 50 °F
Partly Cloudy
Wednesday

High: 68 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 52. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 37. Wind chill values as low as 30. Northeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 58. Wind chill values as low as 30 early. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 42. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 64. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 72.
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)
1:07 pm PST Feb 21, 2026
4pm PST Feb 21, 2026-6pm PST Feb 27, 2026


