Steel City Weather Forecast

    • 30
    • 44

    Decreasing Clouds

    • 47
    • 53

    Chance Rain

    • 52
    • 64

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 48
    • 69

    Mostly Cloudy

    • 34
    • 62

    Mostly Cloudy

Today 21 Dec Franklin

Sunny. Highs in the mid 40s. East Winds around 5 Mph.

Tonight 21 Dec Franklin

Mostly clear this Evening, then becoming partly cloudy. Lows around 30. East Winds around 5 Mph.

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Steel City Temperature Statistics

December Temperature

Marion - Williamson County Regional Airport (17.4 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 (17.4 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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