Worlds End State Park Weather Forecast

    • 52
    • 77

    Increasing Clouds

    • 52
    • 77

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 54
    • 79

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 47
    • 69

    Partly Sunny

Today 15 Sep Sullivan

Mostly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 15 Sep Sullivan

Partly cloudy. Lows in the lower 50s. East Winds around 5 Mph, becoming southeast after midnight.

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Worlds End State Park Temperature Statistics

September Temperature

Williamsport - Lycoming County Airport (23.6 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    63.7 °F

  • Highest 5 September, 2025

    82 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (23.6 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.3 °F
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