William Penn State Forest Weather Forecast

    • 40
    • 65

    Becoming Sunny

    • 43
    • 64

    Chance Rain Showers

    • 39
    • 58

    Chance Rain

    • 41
    • 59

    Mostly Sunny

    • 53
    • 69

    Partly Sunny

    • 54
    • 76

    Chance Rain Showers

Today 30 Apr Western Chester

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Apr Western Chester

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. Northwest Winds 5 to 10 Mph.

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William Penn State Forest Temperature Statistics

April Temperature

Phillips Army Air Field / Aberdeen (18 miles)

  • Lowest 9 April, 2026

    29.5 °F

  • Average April

    60.7 °F

  • Highest 16 April, 2026

    87.8 °F

Climate (2021–Present)

Phillips Army Air Field / Aberdeen (18 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    65.5 °F
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