Williamsport Regional Airport Weather Forecast

    • 64
    • 76

    Chance Rain Showers

    • 63
    • 84

    Partly Sunny

    • 66
    • 88

    Partly Sunny

    • 70
    • 92

    Partly Sunny

    • 73
    • 96

    Slight Chance Thunderstorms

    • 73
    • 97

    Hot

Today 27 Jun Southern Lycoming

Cloudy. A chance of rain in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. Light and variable Winds, becoming southeast around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 27 Jun Southern Lycoming

Mostly cloudy with a 50 percent chance of light rain. Patchy fog. Lows in the lower 60s. Light and variable Winds.

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Williamsport Regional Airport Temperature Statistics

June Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    69.8 °F

  • Highest 11 June, 2026

    92.6 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (0 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
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