Current conditions at

ACTON (ATNC1)

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

NA

83°F

28°C

Humidity 12%
Wind Speed NE 13 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Heat Index80°F (27°C)
Last update 01 Nov 12:54 PM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Today
Sunny. Highs from the lower to mid 80s at low elevations to the 70s at high elevations.
Tonight
Clear. Lows in the mid 50s to lower 60s. Northeast winds around 15 mph after midnight.
Sunday
Sunny. Highs from the upper 70s to mid 80s at low elevations to the upper 60s to mid 70s at high elevations.
Sunday Night
Mostly clear. Lows in the 50s to around 60.
Monday
Sunny in the morning then partly cloudy. Highs from the mid 70s to around 80 at low elevations to the mid 60s to around 70 at high elevations. Southwest winds around 15 mph in the afternoon.
Monday Night
Mostly clear. Lows in the upper 40s to mid 50s.
Tuesday
Sunny. Highs from the 70s at low elevations to the mid to upper 60s at high elevations.
Tuesday Night
Clear. Lows in the mid 40s to lower 50s.
Wednesday
Sunny. Highs from the upper 60s to mid 70s at low elevations to the upper 50s to mid 60s at high elevations.
Wednesday Night
Clear. Lows in the mid 40s to lower 50s.
Thursday
Sunny. Highs from the upper 60s to mid 70s at low elevations to the lower to mid 60s at high elevations.
Thursday Night
Clear. Lows in the upper 40s to mid 50s.
Friday
Sunny. Highs from the 70s at low elevations to the mid to upper 60s at high elevations.



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1143 AM PDT Sat Nov 1 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database