Current conditions at

ACTON (ATNC1)

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

NA

35°F

2°C

Humidity 92%
Wind Speed NNE 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 08 Jan 04:54 AM PST
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Today
Sunny. Highs from the mid 40s to lower 50s at low elevations to the upper 30s to mid 40s at high elevations. Northwest winds 25 to 40 mph with gusts to 65 mph.
Tonight
Clear. Lows in the mid 30s to around 40 except around 30 colder valleys and slopes. Northeast winds 25 to 40 mph with gusts to 60 mph.
Friday
Sunny. Highs from the lower to mid 50s at low elevations to the 40s at high elevations. Northeast winds 30 to 45 mph with gusts to 70 mph.
Friday Night
Clear. Lows in the mid 30s to lower 40s. Northeast winds 25 to 40 mph with gusts to 65 mph.
Saturday
Sunny. Highs from the mid 50s to around 60 at low elevations to the mid 40s to around 50 at high elevations. Northeast winds 25 to 40 mph with gusts to 60 mph decreasing to 20 to 30 mph in the afternoon.
Saturday Night
Clear. Lows in the upper 30s to mid 40s.
Sunday
Sunny. Highs from the upper 50s to mid 60s at low elevations to the upper 40s to mid 50s at high elevations.
Sunday Night
Mostly clear. Lows in the 40s.
Monday
Sunny. Highs from the lower to mid 60s at low elevations to the mid to upper 50s at high elevations.
Monday Night
Clear. Lows in the mid 40s to lower 50s.
Tuesday
Sunny. Highs from the mid 60s to around 70 at low elevations to around 60 at high elevations.
Tuesday Night
Mostly clear. Lows in the mid 40s to mid 50s.
Wednesday
Sunny. Highs from the mid 60s to lower 70s at low elevations to the upper 50s to mid 60s at high elevations.



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205 AM PST Thu Jan 8 2026
 
 

Additional Resources

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