Hazardous Weather Conditions
Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
72°F
22°C
| Humidity | 34% |
| Wind Speed | SSW 9 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Last update | 09 Aug 05:59 AM PDT |
Extended Forecast for
7 Miles WSW Quartz Hill CA
Heat Advisory August 9, 06:32am until August 9, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
Today
High: 91 °F
Sunny then
Mostly Sunny
and BreezyTonight
Low: 72 °F
Partly Cloudy
and Breezy
then Partly
CloudyMonday

High: 86 °F
Mostly Sunny
and BreezyMonday Night

Low: 70 °F
Mostly Clear
and BreezyTuesday
High: 82 °F
Sunny then
Mostly Sunny
and BreezyTuesday Night
Low: 67 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 80 °F
Sunny then
Sunny and
BreezyWednesday Night

Low: 64 °F
Mostly Clear
and Breezy
Detailed Forecast
Today
Sunny, with a high near 91. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 72. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 86. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 82. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 67. Breezy.
Wednesday
Sunny, with a high near 80. Breezy.
Wednesday Night
Mostly clear, with a low around 64. Breezy.
Thursday
Mostly sunny, with a high near 75. Breezy.
Thursday Night
Partly cloudy, with a low around 61. Breezy.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 61. Breezy.
Saturday
Sunny, with a high near 77.
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)
11:26 pm PDT Aug 8, 2026
6am PDT Aug 9, 2026-6pm PDT Aug 15, 2026



