St Charles Weather Forecast

    • 57
    • 88

    Mostly Sunny

    • 56
    • 82

    Sunny

    • 61
    • 85

    Sunny

    • 61
    • 89

    Partly Sunny

    • 60
    • 80

    Partly Sunny

    • 62
    • 85

    Partly Sunny

Today 7 Oct St. Charles

Sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 7 Oct St. Charles

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Charles Temperature Statistics

October Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 3 October, 2026

    51.1 °F

  • Average October

    68.3 °F

  • Highest 1 October, 2026

    90.6 °F

Climate (2021–2026)

St. Louis Lambert International Airport (7.5 miles)

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

  • Average Low 2021–2026

    50.7 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    69.8 °F
Get WillyWeather+ to remove ads