Susquehanna State Park Weather Forecast

    • 64
    • 90

    Chance Thunderstorms

    • 60
    • 81

    Partly Sunny

    • 68
    • 84

    Rain Showers Likely

    • 61
    • 84

    Chance Thunderstorms

    • 59
    • 82

    Partly Sunny

    • 64
    • 82

    Chance Rain Showers

Today 17 Jul Southern Lycoming

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 17 Jul Southern Lycoming

Partly cloudy. Humid with Lows in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Susquehanna State Park Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (7.5 miles)

  • Lowest 4 July, 2025

    56.6 °F

  • Average July

    76.2 °F

  • Highest 7 July, 2025

    91.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (7.5 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.4 °F
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