St Charles Weather Forecast

    • 52
    • 62

    Slight Chance Rain Showers

    • 51
    • 59

    Chance Rain Showers

    • 50
    • 58

    Chance Rain Showers

    • 47
    • 57

    Chance Rain Showers

    • 45
    • 57

    Chance Rain Showers

    • 41
    • 55

    Slight Chance Rain Showers

    • 42
    • 57

    Partly Sunny

Today 24 Oct St. Charles

Mostly cloudy. Near steady temperature in the lower 60s. Southeast Winds around 5 Mph with Gusts up to 25 Mph.

Tonight 24 Oct St. Charles

Cloudy. A slight chance of Showers after midnight. Not as cool with Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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St Charles Temperature Statistics

October Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 22 October, 2025

    46 °F

  • Average October

    68.1 °F

  • Highest 2 October, 2025

    88 °F

Climate (2020–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2020–2025

    50.5 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    69.2 °F
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