Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078° N Lon: 118.41435° W Elev: 4626.0 ft.

NA

56°F

13°C

Humidity 27%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Jan 10:59 AM PST
Detailed forecast for

Western Antelope Valley Foothills

Today
Partly cloudy. Highs in the upper 50s to mid 60s. Northeast winds around 15 mph.
Tonight
Mostly clear. Lows in the mid 30s to mid 40s except around 50 in the hills.
Martin Luther King Jr Day
Sunny. Highs in the lower to mid 60s. Northeast winds around 15 mph. Gusts to 30 mph in the afternoon.
Monday Night
Clear. Lows in the mid 30s to lower 40s except the mid 40s to around 50 in the hills. Northeast winds 15 to 25 mph with gusts to 35 mph.
Tuesday
Sunny. Highs in the upper 50s to mid 60s. Northeast winds 15 to 25 mph with gusts to 40 mph.
Tuesday Night
Clear. Lows in the lower to mid 40s.
Wednesday
Sunny. Highs in the upper 50s to mid 60s.
Wednesday Night
Mostly clear. Lows in the lower to mid 40s.
Thursday
Sunny in the morning then mostly cloudy. Highs in the upper 50s to mid 60s.
Thursday Night
Partly cloudy in the evening then clear. Lows in the lower to mid 40s.
Friday
Sunny in the morning then partly cloudy. Highs in the mid 50s to lower 60s.
Friday Night
Mostly clear. Lows around 40.
Saturday
Sunny in the morning then partly cloudy. Highs in the mid 50s to around 60.



Basemap Options
Click map to change the forecast location
Loading map...
109 AM PST Sun Jan 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database