Acton Weather Forecast

    • 51
    • 73

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 48
    • 73

    Partly Sunny

    • 46
    • 71

    Mostly Cloudy

    • 45
    • 70

    Mostly Cloudy

    • 46
    • 64

    Slight Chance Rain

Today 18 Dec Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from the mid to upper 70s at low Elevations to the mid 60s to around 70 at high Elevations. Northeast Winds 15 to 25 Mph with Gusts to 35 Mph.

Tonight 18 Dec Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear. Lows in the 50s to around 60. Areas of northwest Winds 20 to 30 Mph with Gusts to 45 Mph.

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Acton Temperature Statistics

December Temperature

Palmdale, Palmdale Production Flight Plant (12.4 miles)

  • Lowest 2 December, 2025

    30 °F

  • Average December

    48.4 °F

  • Highest 11 December, 2025

    70 °F

Climate (2020–Present)

Palmdale, Palmdale Production Flight Plant (12.4 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    78.3 °F
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