Smithville Weather Forecast

    • 33
    • 50

    Increasing Clouds

    • 39
    • 52

    Gradual Clearing

    • 27
    • 58

    Rain Showers

    • 27
    • 40

    Mostly Sunny

    • 40
    • 57

    Partly Sunny

    • 38
    • 56

    Mostly Cloudy

    • 42
    • 59

    Mostly Cloudy

Today 16 Dec De Kalb

Sunny. Highs around 50. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Dec De Kalb

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 30s. South Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Real-Time

Smithville Temperature Statistics

December Temperature

Sparta Upper Cumberland Regional Airport (16.8 miles)

  • Lowest 14 December, 2025

    12.2 °F

  • Average December

    35.7 °F

  • Highest 12 December, 2025

    55.4 °F

Climate (2020–Present)

Sparta Upper Cumberland Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    59.2 °F

  • Average High 2020–2025

    70 °F
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