St Charles Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 69
    • 80

    Slight Chance Thunderstorms

    • 71
    • 85

    Thunderstorms Likely

    • 66
    • 83

    Chance Thunderstorms

    • 64
    • 81

    Mostly Sunny

    • 64
    • 82

    Slight Chance Thunderstorms

Today 24 Aug St. Charles

Partly cloudy in the Evening, then mostly cloudy with a 30 percent chance of Showers after midnight. Low in the lower 60s. East wind around 10 Mph in the evening becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Charles Temperature Statistics

August Temperature

St. Louis Downtown Airport (24.9 miles)

  • Lowest 2 August, 2019

    62.1 °F

  • Average August

    77.3 °F

  • Highest 12 August, 2019

    95 °F

Climate (2010–Present)

St. Louis Downtown Airport (24.9 miles)

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  • Average Low 2010–Present

    48.5 °F

  • Average 2010–Present

    58.1 °F

  • Average High 2010–Present

    68.1 °F
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