Mount Aetna Weather Forecast

    • 58
    • 84

    Sunny

    • 55
    • 85

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

    • 57
    • 75

    Mostly Cloudy

    • 59
    • 80

    Partly Sunny

    • 62
    • 85

    Slight Chance Rain Showers

Today 18 Sep Berks

Areas of fog this morning. Sunny, warmer with Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Berks

Clear. Lows in the upper 50s. West Winds around 5 Mph.

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  • Temperature Real-Time

Mount Aetna Temperature Statistics

September Temperature

Muir Army Air Field / Indiantown (13.7 miles)

  • Lowest 9 September, 2025

    47.3 °F

  • Average September

    67.6 °F

  • Highest 13 September, 2025

    85.6 °F

Climate (2020–Present)

Muir Army Air Field / Indiantown (13.7 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.3 °F
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