Williamsport Regional Airport Weather Forecast

    • 57
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 62
    • 88

    Partly Sunny

    • 66
    • 88

    Rain Showers Likely

    • 68
    • 96

    Chance Thunderstorms

    • 65
    • 96

    Chance Thunderstorms

Today 7 Jun Southern Lycoming

Sunny. Near steady temperature in the lower 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 7 Jun Southern Lycoming

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Williamsport Regional Airport Temperature Statistics

June Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    65.8 °F

  • Highest 5 June, 2026

    89.1 °F

Climate (2021–Present)

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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