Current conditions at

ACTON (ATNC1)

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

NA

55°F

13°C

Humidity 94%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 14 Nov 07:54 PM PST
Detailed forecast for

Western San Gabriel Mountains and Highway 14 Corridor

Tonight
Showers with a slight chance of thunderstorms. Lows in the upper 40s to mid 50s. Southeast winds around 15 mph.
Saturday
Showers with a chance of thunderstorms. Highs in the 50s to around 60. Southeast winds 15 to 25 mph.
Saturday Night
Showers with a slight chance of thunderstorms in the evening, then showers after midnight. Lows in the upper 30s and 40s. South winds 15 to 25 mph.
Sunday
Mostly cloudy with a chance of showers. Highs from the mid to upper 50s at low elevations to the mid 40s to lower 50s at high elevations. Southwest winds 15 to 25 mph.
Sunday Night
Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the 40s to around 50. Southwest winds 15 to 25 mph.
Monday
Showers likely. Highs from the lower to mid 50s at low elevations to the mid 40s to around 50 at high elevations.
Monday Night
Showers likely in the evening, then rain and snow showers likely after midnight. Lows in the upper 30s and 40s.
Tuesday
Mostly cloudy. A chance of rain and snow showers in the morning, then a slight chance of showers and a chance of snow showers in the afternoon. Highs from the mid to upper 50s at low elevations to the mid 40s to around 50 at high elevations.
Tuesday Night
Partly cloudy with a slight chance of showers. Lows in the upper 30s and 40s.
Wednesday
Partly cloudy in the morning then sunny. Highs from the mid 50s to lower 60s at low elevations to around 50 at high elevations.
Wednesday Night
Mostly clear in the evening, becoming partly cloudy with a slight chance of showers after midnight. Lows in the 40s.
Thursday
Partly cloudy in the morning then mostly cloudy. A chance of showers. Highs from the mid 50s to around 60 at low elevations to around 50 at high elevations.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the 40s.
Friday
Mostly cloudy with a chance of showers. Highs from the mid 50s to around 60 at low elevations to the mid 40s to lower 50s at high elevations.



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649 PM PST Fri Nov 14 2025
 
 

Additional Resources

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