St. Charles County Smartt Airport Weather Forecast

    • 52
    • 59

    Cloudy

    • 49
    • 62

    Chance Rain

    • 49
    • 62

    Chance Rain

    • 44
    • 62

    Rain Likely

    • 39
    • 57

    Chance Rain

    • 39
    • 58

    Partly Sunny

    • 39
    • 60

    Partly Sunny

Today 25 Oct St. Charles

Cloudy with a 20 percent chance of rain. Near steady temperature in the upper 50s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Oct St. Charles

Cloudy. A slight chance of rain this evening. Lows in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Charles County Smartt Airport Temperature Statistics

October Temperature

St. Charles, St. Charles County Smartt Airport (0 miles)

  • Lowest 23 October, 2025

    36 °F

  • Average October

    65 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (0 miles)

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

  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
Get WillyWeather+ to remove ads