New Lebanon Weather Forecast

    • 46
    • 63

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

Today 23 Sep Mercer

Partly cloudy. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Sep Mercer

Mainly clear. Lows in the upper 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Lebanon Temperature Statistics

September Temperature

Franklin, Venango Regional Airport (10.6 miles)

  • Lowest 15 September, 2026

    48 °F
  • Average September

    67.2 °F
  • Highest 2 September, 2026

    87.1 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    40.7 °F
  • Average 2021–2026

    49.4 °F
  • Average High 2021–2026

    58.2 °F
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