Clarks Summit Weather Forecast

    • 56
    • 81

    Chance Thunderstorms

    • 45
    • 68

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 61
    • 78

    Partly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 55
    • 74

    Slight Chance Thunderstorms

    • 55
    • 72

    Chance Rain Showers

Today 13 Sep Lackawanna

Partly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 13 Sep Lackawanna

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Thunderstorms this evening. A chance of Showers. Some Thunderstorms may produce gusty Winds and small hail this evening. Lows in the mid 50s. West Winds around 5 Mph, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 50 percent.

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Clarks Summit Temperature Statistics

September Temperature

Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (9.9 miles)

  • Lowest 7 September, 2026

    51.7 °F

  • Average September

    69.9 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (9.9 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62 °F
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