New Lebanon Weather Forecast

    • 53
    • 69

    Rain Showers Likely

    • 51
    • 65

    Chance Rain Showers

    • 50
    • 63

    Rain Showers Likely

    • 49
    • 61

    Chance Rain Showers

    • 46
    • 63

    Partly Sunny

    • 47
    • 66

    Partly Sunny

Today 20 Sep Mercer

Showers likely. Patchy fog. Near steady temperature around 70. North Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 20 Sep Mercer

Mostly cloudy. Patchy fog. Lows in the lower 50s. Northeast 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

    68.3 °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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