Current conditions at

ACTON (ATNC1)

Lat: 34.44639° N Lon: 118.1968° W Elev: 2600.0 ft.

NA

62°F

17°C

Humidity 29%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 11 May 10:54 PM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Clear. Lows in the mid 60s. Southwest wind around 15 mph with gusts to 30 mph this evening.
Tuesday
Sunny, breezy with highs in the lower 80s. Southwest wind 15 to 25 mph in the afternoon.
Tuesday Night
Partly cloudy and breezy. Lows in the lower 50s. Southwest wind 15 to 25 mph.
Wednesday
Partly cloudy in the morning, then sunny. Highs around 70. Southwest wind 15 to 20 mph.
Wednesday Night
Mostly clear. Lows in the upper 40s. Southwest wind around 15 mph in the evening.
Thursday
Sunny. Highs around 70.
Thursday Night
Clear. Lows in the mid 50s.
Friday
Sunny. Highs in the upper 70s.
Friday Night
Clear. Lows in the mid 50s.
Saturday
Sunny. Highs in the mid 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Sunny. Highs in the mid 70s.
Sunday Night
Clear. Lows in the mid 50s.
Monday
Sunny. Highs around 80.



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809 PM PDT Mon May 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database