Dwight's Delight Airport Weather Forecast

    • 55
    • 69

    Slight Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

    • 43
    • 71

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 52
    • 70

    Partly Sunny

    • 56
    • 75

    Partly Sunny

Today 17 Sep Sullivan

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 17 Sep Sullivan

Mostly cloudy. Lows in the lower 50s. East Winds around 5 Mph.

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Dwight's Delight Airport Temperature Statistics

September Temperature

Williamsport - Lycoming County Airport (30.4 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 (30.4 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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