Lake Chillisquauqe Weather Forecast

    • 60
    • 73

    Chance Rain Showers

    • 58
    • 84

    Partly Sunny

    • 49
    • 80

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 56
    • 76

    Partly Sunny

    • 59
    • 80

    Partly Sunny

Today 17 Sep Montour

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Sep Montour

Mostly cloudy. Patchy fog after midnight. Lows around 60. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Chillisquauqe Temperature Statistics

September Temperature

Williamsport - Lycoming County Airport (16.2 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    64.3 °F

  • Highest 13 September, 2025

    86 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (16.2 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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