Smithville Weather Forecast

    • 54
    • 61

    Rain Showers

    • 45
    • 65

    Decreasing Clouds

    • 52
    • 64

    Mostly Cloudy

    • 52
    • 68

    Chance Rain Showers

    • 55
    • 65

    Rain Showers Likely

    • 53
    • 65

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

Today 14 Sep Carlton/South St. Louis

Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 14 Sep Carlton/South St. Louis

Showers with a slight chance of Thunderstorms this evening. Not as cool with Lows in the lower 50s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithville Temperature Statistics

September Temperature

Richard I. Bong Airport (6.2 miles)

  • Lowest 10 September, 2026

    49.3 °F

  • Average September

    66.5 °F

  • Highest 11 September, 2026

    85.3 °F

Climate (2021–2026)

Richard I. Bong Airport (6.2 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    51 °F
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