Donaldson Weather Forecast

    • 68
    • 86

    Chance Thunderstorms

    • 60
    • 83

    Rain Showers

    • 53
    • 77

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 56
    • 79

    Partly Sunny

Today 3 Sep Schuylkill

Mostly cloudy with Showers likely with a slight chance of Thunderstorms this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds, frequent Lightning, and heavy Rainfall, then some Thunderstorms may produce heavy rainfall this afternoon. Warmer with Highs in the mid 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 3 Sep Schuylkill

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. Northwest Winds around 5 Mph. Chance of rain 80 percent.

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Donaldson Temperature Statistics

September Temperature

Muir Army Air Field / Indiantown (15.5 miles)

  • Lowest 1 September, 2026

    69.3 °F

  • Average September

    77.7 °F

  • Highest 1 September, 2026

    92.1 °F

Climate (2021–2026)

Muir Army Air Field / Indiantown (15.5 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.1 °F
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