Worlds End State Park Weather Forecast

    • 39
    • 40

    Rain

    • 19
    • 44

    Chance Snow

    • 27
    • 34

    Mostly Cloudy

    • 18
    • 36

    Partly Sunny

    • 18
    • 29

    Mostly Cloudy

    • 25
    • 35

    Chance Rain/Snow

Today 18 Dec Sullivan

Partly sunny. A slight chance of rain in the afternoon. Highs around 40. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 18 Dec Sullivan

Partly cloudy. Patchy freezing fog. Lows in the lower 20s. South Winds around 5 Mph.

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Worlds End State Park Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (23.6 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    26.2 °F

  • Highest 1 December, 2025

    37 °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

    63.2 °F
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