Wentzville Weather Forecast

    • 69
    • 84

    Rain Showers Likely

    • 73
    • 92

    Slight Chance Thunderstorms

    • 74
    • 94

    Mostly Sunny

    • 64
    • 91

    Rain Showers Likely

    • 66
    • 88

    Chance Rain Showers

    • 67
    • 89

    Chance Rain Showers

Today 8 Jun St. Charles

Showers likely. A chance of Thunderstorms in the Morning, then Thunderstorms likely in the afternoon. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 Jun St. Charles

Showers likely with a chance of Thunderstorms. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wentzville Temperature Statistics

June Temperature

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

  • Lowest 3 June, 2026

    52.6 °F

  • Average June

    72.2 °F

  • Highest 5 June, 2026

    86 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.9 °F
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