Tunnel Hill Weather Forecast

    • 32
    • 44

    Decreasing Clouds

    • 49
    • 53

    Chance Rain

    • 51
    • 62

    Mostly Cloudy

    • 58
    • 65

    Mostly Cloudy

    • 55
    • 68

    Mostly Cloudy

    • 45
    • 63

    Mostly Cloudy

Today 21 Dec Johnson

Mostly sunny. Highs in the mid 40s. Northeast Winds 5 to 10 Mph.

Tonight 21 Dec Johnson

Partly cloudy. Lows in the lower 30s. East Winds around 5 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

    34.4 °F

  • Highest 17 December, 2025

    59 °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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