William Penn State Forest Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 66
    • 85

    Partly Sunny

    • 71
    • 87

    Mostly Sunny

    • 73
    • 93

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

Today 22 Jul Western Chester

Mostly sunny. Highs around 80. Northeast Winds around 5 Mph.

Tonight 22 Jul Western Chester

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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William Penn State Forest Temperature Statistics

July Temperature

Phillips Army Air Field / Aberdeen (18 miles)

  • Lowest 11 July, 2025

    72.3 °F

  • Average July

    82.7 °F

  • Highest 8 July, 2025

    93.4 °F

Climate (2020–Present)

Phillips Army Air Field / Aberdeen (18 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    65.3 °F
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