Collomsville Weather Forecast

    • 64
    • 84

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 70
    • 87

    Rain Showers Likely

    • 63
    • 82

    Rain Showers Likely

    • 63
    • 85

    Mostly Sunny

    • 59
    • 84

    Chance Rain Showers

    • 61
    • 82

    Partly Sunny

Today 28 Jun Southern Lycoming

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds. Much warmer with Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 28 Jun Southern Lycoming

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this evening. Patchy fog. Some Thunderstorms may be severe with damaging Winds. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northwest. Chance of rain 40 percent.

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Collomsville Temperature Statistics

June Temperature

Williamsport - Lycoming County Airport (13 miles)

  • Lowest 2 June, 2025

    43.6 °F

  • Average June

    71.2 °F

  • Highest 24 June, 2025

    98.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (13 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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