Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

55°F

13°C

Humidity 40%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 19 Jan 03:59 PM PST
Detailed forecast for

Western Antelope Valley Foothills

Tonight
Clear. Lows in the mid 30s to lower 40s except the upper 40s in the hills. Northeast winds 15 to 25 mph.
Tuesday
Sunny. Highs in the upper 50s to mid 60s. East winds 15 to 25 mph.
Tuesday Night
Partly cloudy in the evening then mostly clear. Lows in the upper 30s and 40s. Northeast winds around 15 mph.
Wednesday
Partly cloudy in the morning then mostly cloudy. Highs around 60. Northeast winds around 15 mph in the morning.
Wednesday Night
Mostly cloudy in the evening then partly cloudy. Lows in the upper 30s and 40s.
Thursday
Partly cloudy in the morning, becoming mostly cloudy with a 20 percent chance of rain in the afternoon. Highs in the 50s to around 60.
Thursday Night
Partly cloudy in the evening then mostly clear. Lows in the lower 40s.
Friday
Sunny in the morning then partly cloudy. Highs in the lower to mid 50s.
Friday Night
Mostly clear. Lows in the upper 30s to mid 40s.
Saturday
Sunny. Highs in the mid 50s to around 60.
Saturday Night
Mostly clear. Lows in the mid 30s to around 40.
Sunday
Sunny. Highs in the mid 50s to around 60.
Sunday Night
Partly cloudy in the evening then mostly clear. Lows around 40.
Monday
Sunny. Highs in the mid 50s to around 60.



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109 PM PST Mon Jan 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database