Clarks Summit Weather Forecast

    • 57
    • 71

    Rain Showers Likely

    • 48
    • 66

    Mostly Cloudy

    • 48
    • 64

    Partly Sunny

    • 53
    • 66

    Rain Showers Likely

    • 60
    • 68

    Rain Showers Likely

    • 56
    • 73

    Rain Showers Likely

Today 21 Sep Lackawanna

Mostly cloudy with isolated Showers. Isolated Thunderstorms in the afternoon. Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 21 Sep Lackawanna

Cloudy with isolated Showers. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clarks Summit Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (59 miles)

  • Lowest 10 September, 2018

    52 °F

  • Average September

    69.4 °F

  • Highest 16 September, 2018

    86 °F

Climate (2010–Present)

Allentown, Lehigh Valley International Airport (59 miles)

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  • Average Low 2010–Present

    43.9 °F

  • Average 2010–Present

    54.1 °F

  • Average High 2010–Present

    63.6 °F
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