Susquehanna State Park Weather Forecast

    • 42
    • 67

    Becoming Sunny

    • 48
    • 75

    Mostly Sunny

    • 55
    • 82

    Chance Thunderstorms

    • 50
    • 74

    Chance Rain Showers

    • 59
    • 72

    Rain Showers Likely

    • 47
    • 74

    Rain Showers Likely

Today 27 Apr Southern Lycoming

Partly sunny this Morning, then clearing. Highs in the mid 60s. Northwest Winds 15 to 20 Mph with Gusts up to 45 Mph.

Tonight 27 Apr Southern Lycoming

Mostly clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph.

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Susquehanna State Park Temperature Statistics

April Temperature

Williamsport - Lycoming County Airport (7.5 miles)

  • Lowest 9 April, 2025

    25.8 °F

  • Average April

    51.6 °F

  • Highest 19 April, 2025

    89.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (7.5 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.3 °F
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