Current conditions at
GRASS MOUNTAIN (GMTC1)
Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.NA
36°F
2°C
| Humidity | 100% |
| Wind Speed | S 5 MPH |
| Barometer | NA |
| Dewpoint | 36°F (2°C) |
| Visibility | NA |
| Wind Chill | 32°F (0°C) |
| Last update | 18 Nov 02:59 AM PST |
Extended Forecast for
11 Miles W Quartz Hill CA
Overnight

Low: 39 °F
Slight Chance
ShowersTuesday

High: 45 °F
Chance
ShowersTuesday Night
Low: 37 °F
Slight Chance
T-storms then
Partly CloudyWednesday

High: 49 °F
Slight Chance
ShowersWednesday Night

Low: 41 °F
Partly Cloudy
Thursday

High: 46 °F
Chance
ShowersThursday Night

Low: 40 °F
Showers
Likely and
BreezyFriday

High: 44 °F
Chance
Showers and
BreezyFriday Night

Low: 41 °F
Chance
Showers and
Breezy
Detailed Forecast
Overnight
A 20 percent chance of showers before 4am. Partly cloudy, with a low around 39. West southwest wind around 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Mostly sunny, with a high near 45. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming northwest after midnight.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 49. Northeast wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 41. West wind around 5 mph.
Thursday
A 30 percent chance of showers after 10am. Mostly cloudy, with a high near 46.
Thursday Night
Showers likely. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly cloudy, with a high near 44. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. Breezy.
Saturday
Sunny, with a high near 50. Breezy.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 54.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 56.
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)
1:07 am PST Nov 18, 2025
3am PST Nov 18, 2025-6pm PST Nov 24, 2025


