Current conditions at

ACTON (ATNC1)

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

NA

44°F

7°C

Humidity 89%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 19 Apr 12:54 AM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Partly cloudy in the evening then mostly clear. Lows in the mid 30s to mid 40s. Southwest winds around 15 mph shifting to the north after midnight.
Saturday
Sunny. Highs from the upper 60s to mid 70s at low elevations to the upper 50s to mid 60s at high elevations. Northeast winds 15 to 25 mph.
Saturday Night
Clear. Lows in the mid 40s to lower 50s.
Sunday
Sunny. Highs from the lower to mid 70s at low elevations to the 60s at high elevations. Southwest winds around 15 mph in the afternoon.
Sunday Night
Mostly clear. Lows in the mid 40s to mid 50s. Southwest winds 15 to 25 mph in the evening.
Monday
Sunny. Highs from the 70s at low elevations to the mid to upper 60s at high elevations.
Monday Night
Mostly clear. Lows in the mid 40s to lower 50s.
Tuesday
Sunny. Highs from the lower to mid 70s at low elevations to the 60s at high elevations.
Tuesday Night
Mostly clear. Lows in the mid 40s to around 50.
Wednesday
Partly cloudy in the morning then sunny. Highs from the mid 60s to lower 70s at low elevations to the upper 50s to mid 60s at high elevations.
Wednesday Night
Mostly clear in the evening then partly cloudy. Lows in the 40s.
Thursday
Partly cloudy. Highs from the mid to upper 60s at low elevations to the mid 50s to around 60 at high elevations.
Thursday Night
Partly cloudy. Lows in the upper 30s and 40s.
Friday
Partly cloudy in the morning then sunny. Highs from the 60s at low elevations to the mid 50s to around 60 at high elevations.



Basemap Options
Click map to change the forecast location
Loading map...
122 PM PDT Fri Apr 18 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database