Lebanon Weather Forecast

    • 69
    • 89

    Chance Rain Showers

    • 68
    • 89

    Chance Rain Showers

    • 67
    • 87

    Chance Thunderstorms

    • 63
    • 86

    Mostly Sunny

    • 63
    • 86

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

Today 6 Aug Southern Grafton

Mostly sunny. A slight chance of Showers with isolated Thunderstorms this afternoon. Warm with Highs in the mid 80s. Light and variable Winds. Chance of rain 20 percent. Heat index Values in the lower 90s this afternoon.

Tonight 6 Aug Southern Grafton

Partly cloudy. A chance of Showers and scattered Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 30 percent.

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Lebanon Temperature Statistics

August Temperature

Lebanon Municipal Airport (2.5 miles)

  • Lowest 4 August, 2026

    54 °F

  • Average August

    71.6 °F

  • Highest 1 August, 2026

    86 °F

Climate (2021–2026)

Lebanon Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    59.7 °F
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