Smithville Municipal Airport Weather Forecast

    • 73
    • 90

    Slight Chance Thunderstorms

    • 71
    • 91

    Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 63
    • 82

    Partly Sunny

    • 68
    • 85

    Chance Rain Showers

    • 68
    • 84

    Chance Rain Showers

Today 20 Jul De Kalb

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 106.

Tonight 20 Jul De Kalb

Partly cloudy. Humid with Lows in the lower 70s. Light and variable Winds, becoming south around 5 Mph after midnight. Heat index Values up to 105 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithville Municipal Airport Temperature Statistics

July Temperature

Sparta Upper Cumberland Regional Airport (16.2 miles)

  • Lowest 4 July, 2026

    66.2 °F

  • Average July

    77.9 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Sparta Upper Cumberland Regional Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.5 °F
Get WillyWeather+ to remove ads