Wentzville Weather Forecast

    • 67
    • 76

    Thunderstorms

    • 68
    • 84

    Thunderstorms Likely

    • 62
    • 81

    Partly Sunny

    • 59
    • 80

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

    • 62
    • 82

    Slight Chance Thunderstorms

Today 25 Aug St. Charles

Cloudy with scattered Showers and Thunderstorms. High in the mid 70s. East wind around 10 Mph.

Tonight 25 Aug St. Charles

Cloudy with scattered Showers and Thunderstorms. Low around 70. East wind around 10 Mph in the evening becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wentzville Temperature Statistics

August Temperature

St. Louis, Spirit Of St. Louis Airport (14.9 miles)

  • Lowest 2 August, 2019

    63 °F

  • Average August

    77.3 °F

  • Highest 12 August, 2019

    95 °F

Climate (2010–Present)

St. Louis, Spirit Of St. Louis Airport (14.9 miles)

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  • Average Low 2010–Present

    48 °F

  • Average 2010–Present

    58 °F

  • Average High 2010–Present

    68.1 °F
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