Current conditions at

ACTON (ATNC1)

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

NA

94°F

34°C

Humidity 23%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index91°F (33°C)
Last update 13 Jul 05:54 PM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Clear. Lows in the 60s to lower 70s. Southwest winds 15 to 25 mph in the evening.
Monday
Sunny. Highs from the 90s at low elevations to the mid to upper 80s at high elevations. Southwest winds 15 to 25 mph with gusts to 40 mph in the afternoon.
Monday Night
Clear. Lows in the upper 50s and 60s. Southwest winds 15 to 25 mph. Gusts to 35 mph in the evening.
Tuesday
Sunny. Highs from the mid 80s to around 90 at low elevations to the mid 70s to around 80 at high elevations. Southwest winds 15 to 25 mph with gusts to 35 mph in the afternoon.
Tuesday Night
Clear. Lows in the mid 50s to lower 60s. Southwest winds 15 to 25 mph.
Wednesday
Sunny. Highs from the 80s at low elevations to the mid to upper 70s at high elevations.
Wednesday Night
Clear. Lows in the mid 50s to mid 60s.
Thursday
Sunny. Highs from the 80s at low elevations to the mid 70s to around 80 at high elevations.
Thursday Night
Mostly clear. Lows in the mid 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 upper 80s to mid 90s at low elevations to the upper 70s to mid 80s at high elevations.
Saturday Night
Mostly clear. Lows in the 60s to around 70.
Sunday
Sunny. Highs from the upper 80s to mid 90s at low elevations to the lower to mid 80s at high elevations.



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131 PM PDT Sun Jul 13 2025
 
 

Additional Resources

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National Digital Forecast Database