Smithville Weather Forecast

    • 70
    • 95

    Slight Chance Thunderstorms

    • 66
    • 94

    Chance Rain Showers

    • 63
    • 87

    Rain Showers Likely

    • 60
    • 81

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 54
    • 80

    Partly Sunny

Today 20 Sep De Kalb

Mostly sunny with a 20 percent chance of Showers. Hot. Near steady temperature in the lower 90s. Southwest Winds around 5 Mph.

Tonight 20 Sep De Kalb

A slight chance of Thunderstorms in the evening. Partly cloudy with a slight chance of Showers. Lows around 70. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Smithville Temperature Statistics

September Temperature

Sparta Upper Cumberland Regional Airport (16.8 miles)

  • Lowest 15 September, 2026

    64.4 °F

  • Average September

    79 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

Sparta Upper Cumberland Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    70.6 °F
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