Williamsport Regional Airport Weather Forecast

    • 60
    • 79

    Rain Showers Likely

    • 53
    • 78

    Partly Sunny

    • 51
    • 74

    Chance Rain Showers

    • 49
    • 73

    Partly Sunny

    • 53
    • 77

    Partly Sunny

    • 52
    • 76

    Slight Chance Thunderstorms

Today 24 Aug Southern Lycoming

Showers likely with a chance of Thunderstorms. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 24 Aug Southern Lycoming

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamsport Regional Airport Temperature Statistics

August Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 2 August, 2025

    51.7 °F

  • Average August

    72.4 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
Get WillyWeather+ to remove ads