Williamsport Weather Forecast

    • 55
    • 78

    Chance Rain Showers

    • 59
    • 81

    Mostly Cloudy

    • 59
    • 73

    Rain

    • 56
    • 80

    Slight Chance Rain Showers

    • 58
    • 80

    Partly Sunny

    • 58
    • 80

    Rain Showers Likely

Today 20 Jun Southern Lycoming

Sunny. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Jun Southern Lycoming

Mostly clear. Near steady temperature in the upper 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Williamsport Temperature Statistics

June Temperature

Williamsport - Lycoming County Airport (3.7 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    69.5 °F

  • Highest 11 June, 2026

    92.6 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (3.7 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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