Wentzville Weather Forecast

    • 41
    • 58

    Sunny

    • 37
    • 60

    Chance Rain

    • 41
    • 54

    Mostly Cloudy

    • 55
    • 74

    Slight Chance Thunderstorms

    • 56
    • 73

    Chance Rain Showers

    • 57
    • 74

    Chance Rain Showers

    • 61
    • 79

    Chance Rain Showers

Today 5 Apr St. Charles

Sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph.

Tonight 5 Apr St. Charles

Clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.

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Wentzville Temperature Statistics

April Temperature

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

  • Lowest 1 April, 2026

    49.6 °F

  • Average April

    67.8 °F

  • Highest 3 April, 2026

    82.9 °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

    57.3 °F

  • Average High 2021–2026

    68.7 °F
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