Montoursville Weather Forecast

    • 66
    • 89

    Rain Showers Likely

    • 60
    • 81

    Partly Sunny

    • 68
    • 85

    Rain Showers Likely

    • 62
    • 84

    Chance Thunderstorms

    • 62
    • 84

    Partly Sunny

    • 66
    • 84

    Chance Rain Showers

Today 17 Jul Southern Lycoming

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Very warm. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 17 Jul Southern Lycoming

Showers likely with a slight chance of Thunderstorms. Warm with Lows around 70. South Winds around 5 Mph. Chance of rain 70 percent.

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Montoursville Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (0.6 miles)

  • Lowest 4 July, 2025

    56.6 °F

  • Average July

    76.2 °F

  • Highest 7 July, 2025

    91.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (0.6 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.4 °F
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