Williamsport Regional Airport Weather Forecast

    • -2
    • 19

    Decreasing Clouds

    • -4
    • 16

    Mostly Sunny

    • 5
    • 20

    Mostly Cloudy

    • 10
    • 22

    Partly Sunny

    • 11
    • 31

    Partly Sunny

    • 13
    • 31

    Partly Sunny

Today 29 Jan Southern Lycoming

Partly sunny this Morning, then becoming mostly cloudy. Flurries. Highs around 20. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 12 below this morning.

Tonight 29 Jan Southern Lycoming

Partly cloudy. Very cold with Lows around 5 below. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 16 below.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamsport Regional Airport Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 21 January, 2026

    2.6 °F

  • Average January

    26.8 °F

  • Highest 8 January, 2026

    50.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (0 miles)

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

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
Get WillyWeather+ to remove ads