William Penn State Forest Weather Forecast

    • 50
    • 70

    Becoming Sunny

    • 39
    • 71

    Mostly Sunny

    • 42
    • 62

    Mostly Cloudy

    • 44
    • 66

    Mostly Cloudy

    • 48
    • 67

    Mostly Cloudy

    • 50
    • 69

    Mostly Cloudy

Today 29 Oct Western Chester

Areas of fog this morning. Mostly sunny. Highs around 70. Southwest Winds 5 to 10 Mph.

Tonight 29 Oct Western Chester

Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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William Penn State Forest Temperature Statistics

October Temperature

Phillips Army Air Field / Aberdeen (18 miles)

  • Lowest 19 October, 2026

    38.3 °F

  • Average October

    62.9 °F

  • Highest 2 October, 2026

    84.2 °F

Climate (2021–2026)

Phillips Army Air Field / Aberdeen (18 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    65 °F
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