Current conditions at

ACTON (ATNC1)

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

NA

62°F

17°C

Humidity 59%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 08 Jun 09:54 PM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Partly cloudy in the evening then mostly clear. Lows in the 50s. Southwest winds 10 to 20 with gusts to 35 mph shifting to the northwest after midnight.
Tuesday
Sunny. Highs from the 80s at low elevations to the 70s at high elevations. West winds 15 to 25 mph.
Tuesday Night
Clear. Lows in the mid 50s to mid 60s. West winds around 15 mph.
Wednesday
Sunny. Highs from the upper 80s to mid 90s at low elevations to the upper 70s to mid 80s at high elevations. Southwest winds around 15 mph in the afternoon.
Wednesday Night
Clear. Lows in the mid 50s to mid 60s. Southwest winds around 15 mph in the evening.
Thursday
Sunny. Highs from the upper 80s to mid 90s at low elevations to the upper 70s to mid 80s at high elevations.
Thursday Night
Mostly clear. Lows in the upper 50s to mid 60s.
Friday
Sunny. Highs from the mid 80s to lower 90s at low elevations to around 80 at high elevations.
Friday Night
Mostly clear. Lows in the upper 50s and 60s.
Saturday
Sunny. Highs from the mid 80s to lower 90s at low elevations to the upper 70s to mid 80s at high elevations.
Saturday Night
Clear. Lows in the upper 50s and 60s.
Sunday
Sunny. Highs from the mid 80s to around 90 at low elevations to the mid 70s to lower 80s at high elevations.
Sunday Night
Clear. Lows in the upper 50s to mid 60s.
Monday
Sunny. Highs from the 80s at low elevations to the mid to upper 70s at high elevations.



Basemap Options
Click map to change the forecast location
Loading map...
322 PM PDT Mon Jun 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database