Clarkstown Weather Forecast

    • 65
    • 85

    Partly Sunny

    • 69
    • 90

    Mostly Sunny

    • 69
    • 90

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers Likely

Today 5 Jul Southern Lycoming

Sunny. Very warm with Highs in the mid 80s. South Winds around 5 Mph.

Tonight 5 Jul Southern Lycoming

Partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clarkstown Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (10.6 miles)

  • Lowest 2 July, 2025

    66.9 °F

  • Average July

    77.3 °F

  • Highest 2 July, 2025

    88 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (10.6 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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