Tunnel Hill Weather Forecast

    • 49
    • 70

    Gradual Clearing

    • 63
    • 67

    Mostly Cloudy

    • 25
    • 70

    Rain Showers

    • 18
    • 29

    Mostly Sunny

    • 24
    • 33

    Mostly Sunny

    • 24
    • 40

    Mostly Sunny

Today 26 Dec Johnson

Cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the lower 70s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the morning.

Tonight 26 Dec Johnson

Mostly cloudy. Near steady temperature in the lower 60s. Southwest Winds 5 to 10 Mph.

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Tunnel Hill Temperature Statistics

December Temperature

Marion - Williamson County Regional Airport (19.3 miles)

  • Lowest 14 December, 2025

    8.6 °F

  • Average December

    36 °F

  • Highest 23 December, 2025

    66.2 °F

Climate (2020–Present)

Marion - Williamson County Regional Airport (19.3 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    67.5 °F
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