Gallatin Weather Forecast

    • 74
    • 92

    Mostly Sunny

    • 77
    • 96

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 71
    • 92

    Partly Sunny

    • 69
    • 91

    Slight Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

    • 68
    • 88

    Mostly Sunny

Today 25 Jul Daviess

Sunny. Much warmer with Highs in the lower 90s. West Winds around 5 Mph. Heat index Values up to 107.

Tonight 25 Jul Daviess

Mostly clear. Lows in the mid 70s. Southwest Winds around 5 Mph. Heat index Values up to 108 early this evening.

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Gallatin Temperature Statistics

July Temperature

Chillicothe, Chillicothe Agri-Science Center (21.1 miles)

  • Lowest 22 July, 2026

    62.1 °F

  • Average July

    79 °F

  • Highest 20 July, 2026

    97.6 °F

Climate (2021–2026)

Chillicothe, Chillicothe Agri-Science Center (21.1 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    67.1 °F
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