Williamsport Weather Forecast

    • 33
    • 55

    Mostly Sunny

    • 42
    • 60

    Partly Sunny

    • 44
    • 65

    Partly Sunny

    • 52
    • 67

    Chance Rain

    • 45
    • 63

    Chance Rain Showers

    • 40
    • 58

    Mostly Sunny

Today 18 Oct Southern Lycoming

Partly sunny. Highs in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Oct Southern Lycoming

Mostly clear. Areas of frost with patchy fog after midnight. Cooler with Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamsport Temperature Statistics

October Temperature

Williamsport - Lycoming County Airport (3.7 miles)

  • Lowest 13 October, 2019

    35.6 °F
  • Average October

    54.1 °F
  • Highest 2 October, 2019

    88 °F

Climate (2010–Present)

Williamsport - Lycoming County Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2010–Present

    44.5 °F
  • Average 2010–Present

    53.1 °F
  • Average High 2010–Present

    63 °F
Get an account to remove ads