Lebanon Weather Forecast

    • 20
    • 24

    Blustery

    • 22
    • 43

    Mostly Cloudy

    • 21
    • 32

    Mostly Sunny

    • 35
    • 41

    Slight Chance Rain

    • 36
    • 49

    Mostly Cloudy

    • 49
    • 56

    Chance Rain

Today 19 Dec Boone

Mostly cloudy with scattered Flurries this Morning, then partly cloudy this afternoon. Blustery and much Colder with Highs in the mid 20s. West Winds 15 to 25 Mph. Gusts up to 40 Mph this morning. Wind chill Values as low as 1 below.

Tonight 19 Dec Boone

Mostly clear through Midnight, then becoming partly cloudy. Cold with Lows around 20. Temperature steady or slowly rising after midnight. South Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph toward daybreak.

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Lebanon Temperature Statistics

December Temperature

INDIANAPOLIS (11.2 miles)

  • Lowest 15 December, 2025

    -11.6 °F

  • Average December

    23 °F

  • Highest 10 December, 2025

    40.5 °F

Climate (2020–Present)

INDIANAPOLIS (11.2 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62 °F
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