Current conditions at

ACTON (ATNC1)

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

NA

80°F

27°C

Humidity 17%
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index78°F (26°C)
Last update 14 Mar 12:54 PM PDT
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Mostly clear. Lows in the mid 50s to lower 60s. Northwest winds 15 to 25 mph with gusts to 35 mph.
Sunday
Sunny. Highs from the upper 70s and 80s at low elevations to the upper 60s to mid 70s at high elevations. Northeast winds 15 to 25 mph.
Sunday Night
Mostly clear. Lows in the upper 50s to mid 60s. Northeast winds around 15 mph.
Monday
Sunny. Highs from the mid 80s to mid 90s at low elevations to the mid 70s to around 80 at high elevations. Northeast winds 15 to 25 mph.
Monday Night
Mostly clear. Lows in the mid 60s to mid 70s except around 60 colder valleys and slopes. North winds around 15 mph in the evening.
Tuesday
Sunny. Highs from 91 to 100 at low elevations to the 80s at high elevations.
Tuesday Night
Clear. Lows in the upper 60s to mid 70s except the lower to mid 60s colder valleys and slopes.
Wednesday
Sunny. Highs from 92 to 100 at low elevations to the 80s to around 90 at high elevations.
Wednesday Night
Clear. Lows in the upper 60s to mid 70s except the lower to mid 60s colder valleys and slopes.
Thursday
Sunny. Highs from 94 to 101 at low elevations to the mid 80s to lower 90s at high elevations.
Thursday Night
Clear. Lows in the 70s except the lower to mid 60s colder valleys and slopes.
Friday
Sunny. Highs from the 90s at low elevations to the mid 80s to around 90 at high elevations.
Friday Night
Mostly clear. Lows in the lower to mid 60s.
Saturday
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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1256 PM PDT Sat Mar 14 2026
 
 

Additional Resources

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