Lebanon Weather Forecast

    • 58
    • 79

    Slight Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 55
    • 80

    Partly Sunny

    • 54
    • 82

    Partly Sunny

    • 58
    • 79

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

    • 55
    • 76

    Chance Rain Showers

Today 18 Aug Southern Grafton

Partly sunny with a 20 percent chance of Showers. Highs in the upper 70s. Light and variable Winds.

Tonight 18 Aug Southern Grafton

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Visibility one quarter mile or less at Times after midnight. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lebanon Temperature Statistics

August Temperature

Lebanon Municipal Airport (2.5 miles)

  • Lowest 16 August, 2026

    48.9 °F

  • Average August

    70.5 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Lebanon Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
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