Acton Weather Forecast
- 67
- 95
Slight Chance Thunderstorms
- 64
- 95
Sunny
- 58
- 88
Sunny
- 59
- 83
Sunny
- 56
- 83
Sunny
- 54
- 83
Sunny
- 52
- 78
Sunny
Today 9 Sep Western San Gabriel Mountains and Highway 14 Corridor
Sunny in the Morning, becoming partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs from 92 to 100 at low Elevations to the 80s to around 90 at high Elevations. Northeast Winds around 15 Mph in the morning.
Tonight 9 Sep Western San Gabriel Mountains and Highway 14 Corridor
Mostly clear. Lows in the 70s to around 80 except the mid 60s to around 70 Colder Valleys and Slopes. North Winds around 15 Mph after midnight.
Acton Temperature Statistics
September Temperature
Palmdale, Palmdale Production Flight Plant (12.4 miles)
Lowest 2 September, 2026
50.6 °FAverage September
71.5 °FHighest 5 September, 2026
90.6 °F
Climate (2021–2026)
Palmdale, Palmdale Production Flight Plant (12.4 miles)
Average Low 2021–2026
49.9 °FAverage 2021–2026
64 °FAverage High 2021–2026
78.4 °F