Current conditions at

ACTON (ATNC1)

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

NA

41°F

5°C

Humidity 83%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 15 Apr 03:54 AM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Today
Sunny in the morning then partly cloudy. Highs from the mid 60s to around 70 at low elevations to the mid 50s to lower 60s at high elevations. Southwest winds 15 to 25 mph in the afternoon.
Tonight
Partly cloudy in the evening then mostly cloudy. Lows in the mid 40s to lower 50s. West winds 15 to 25 mph.
Thursday
Mostly cloudy in the morning then partly cloudy. Highs from the mid 60s to around 70 at low elevations to the mid 50s to lower 60s at high elevations. West winds 15 to 25 mph.
Thursday Night
Clear. Lows in the upper 30s and 40s. Northwest winds 15 to 25 mph shifting to the north 20 to 30 mph with gusts to 40 mph after midnight. Gusts to 45 mph.
Friday
Sunny. Highs from the mid 60s to around 70 at low elevations to the mid 50s to lower 60s at high elevations. Northeast winds 25 to 35 mph with gusts to 55 mph.
Friday Night
Mostly clear. Lows in the mid 40s to lower 50s.
Saturday
Sunny in the morning then partly cloudy. Highs from the 70s at low elevations to the 60s at high elevations.
Saturday Night
Partly cloudy. Lows in the mid 40s to mid 50s.
Sunday
Partly cloudy. Highs from the 70s at low elevations to the mid 60s to around 70 at high elevations.
Sunday Night
Mostly clear. Lows in the mid 40s to around 50.
Monday
Sunny. Highs from the upper 60s to mid 70s at low elevations to the upper 50s to mid 60s at high elevations.
Monday Night
Mostly clear in the evening then partly cloudy. A slight chance of rain. Lows in the mid 40s to around 50.
Tuesday
Partly cloudy with a slight chance of rain. Highs from the mid 60s to around 70 at low elevations to the mid 50s to around 60 at high elevations.



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331 AM PDT Wed Apr 15 2026
 
 

Additional Resources

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