Acton Weather Forecast

    • 65
    • 96

    Mostly Sunny

    • 63
    • 94

    Mostly Cloudy

    • 59
    • 84

    Chance Rain Showers

    • 56
    • 82

    Chance Thunderstorms

    • 57
    • 86

    Slight Chance Thunderstorms

    • 59
    • 89

    Partly Sunny

Today 16 Sep Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the upper 80s to mid 90s at low Elevations to the lower to mid 80s at high Elevations. Southwest Winds 15 to 25 Mph in the afternoon.

Tonight 16 Sep Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear in the evening then partly cloudy. Lows in the upper 60s to mid 70s except the lower to mid 60s Colder Valleys and Slopes. Southwest Winds 15 to 25 Mph in the evening.

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Acton Temperature Statistics

September Temperature

Palmdale, Palmdale Production Flight Plant (12.4 miles)

  • Lowest 6 September, 2025

    59 °F

  • Average September

    77.5 °F

  • Highest 1 September, 2025

    100.9 °F

Climate (2020–Present)

Palmdale, Palmdale Production Flight Plant (12.4 miles)

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  • Average Low 2020–2025

    49.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    78.4 °F
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