Lebanon Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 42
    • 63

    Partly Sunny

    • 47
    • 66

    Partly Sunny

    • 59
    • 72

    Chance Rain Showers

    • 64
    • 85

    Slight Chance Thunderstorms

    • 68
    • 86

    Chance Rain Showers

Today 12 May Boone

Partly Cloudy, then becoming sunny through early Afternoon, then becoming partly cloudy. Highs in the mid 70s. East Winds around 5 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 12 May Boone

Mostly cloudy with Showers with a slight chance of Thunderstorms through the late Overnight, then partly cloudy toward daybreak. Not as cool with Lows in the mid 50s. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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Lebanon Temperature Statistics

May Temperature

INDIANAPOLIS (11.2 miles)

  • Lowest 7 May, 2026

    35.2 °F

  • Average May

    52.4 °F

  • Highest 4 May, 2026

    73.6 °F

Climate (2021–Present)

INDIANAPOLIS (11.2 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.4 °F
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