Lebanon Weather Forecast

    • 46
    • 69

    Chance Rain Showers

    • 42
    • 70

    Mostly Sunny

    • 46
    • 74

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 44
    • 76

    Mostly Sunny

    • 42
    • 70

    Mostly Sunny

Today 7 Sep Southern Grafton

Cloudy. Patchy fog this morning. Showers Likely, mainly this morning. Highs in the mid 60s. Light and variable Winds. Chance of rain 70 percent.

Tonight 7 Sep Southern Grafton

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. Light and variable Winds.

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Lebanon Temperature Statistics

September Temperature

Lebanon Municipal Airport (2.5 miles)

  • Lowest 1 September, 2025

    46.9 °F

  • Average September

    64.2 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Lebanon Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    59.9 °F
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