Acton Weather Forecast

    • 62
    • 94

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

    • 62
    • 90

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 57
    • 82

    Sunny

Today 24 Sep Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the mid 80s to mid 90s at low Elevations to the mid 70s to mid 80s at high Elevations. Southwest Winds around 15 Mph in the afternoon.

Tonight 24 Sep Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear. Lows in the 60s.

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Acton Temperature Statistics

September Temperature

Palmdale, Palmdale Production Flight Plant (12.4 miles)

  • Lowest 2 September, 2026

    50.6 °F

  • Average September

    74.8 °F

  • Highest 10 September, 2026

    102.7 °F

Climate (2021–2026)

Palmdale, Palmdale Production Flight Plant (12.4 miles)

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  • Average Low 2021–2026

    49.9 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    78.4 °F
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