Adamstown Weather Forecast

    • 65
    • 85

    Slight Chance Thunderstorms

    • 58
    • 80

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 68
    • 84

    Partly Sunny

Today 4 Sep Lancaster

Mostly sunny. Very warm with Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Lancaster

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Adamstown Temperature Statistics

September Temperature

Reading, Reading Regional Airport (9.9 miles)

  • Lowest 1 September, 2026

    70 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Reading, Reading Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65 °F
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