Gallatin Weather Forecast

    • 26
    • 41

    Mostly Cloudy

    • 17
    • 34

    Mostly Cloudy

    • -2
    • 21

    Chance Snow

    • 10
    • 17

    Mostly Sunny

    • 22
    • 41

    Mostly Sunny

    • 30
    • 46

    Partly Sunny

Today 11 Dec Daviess

Mostly cloudy. A chance of Sprinkles and Flurries this afternoon. Highs in the upper 30s. East Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 11 Dec Daviess

Mostly cloudy. Lows in the mid 20s. Northeast Winds 5 to 10 Mph.

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Gallatin Temperature Statistics

December Temperature

Chillicothe, Chillicothe Agri-Science Center (21.1 miles)

  • Lowest 4 December, 2025

    8.1 °F

  • Average December

    28 °F

  • Highest 9 December, 2025

    52 °F

Climate (2020–Present)

Chillicothe, Chillicothe Agri-Science Center (21.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    66.5 °F
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