Wentzville Weather Forecast

    • 62
    • 80

    Chance Thunderstorms

    • 50
    • 81

    Rain Showers

    • 49
    • 70

    Rain Showers Likely

    • 43
    • 66

    Mostly Sunny

    • 46
    • 69

    Partly Sunny

    • 43
    • 65

    Partly Sunny

    • 46
    • 68

    Partly Sunny

Today 26 Apr St. Charles

Mostly sunny. Near steady temperature in the upper 70s. Southeast Winds around 10 Mph.

Tonight 26 Apr St. Charles

Mostly cloudy with a chance of Showers. A chance of Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Wentzville Temperature Statistics

April Temperature

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

  • Lowest 6 April, 2026

    35.7 °F

  • Average April

    63.8 °F

  • Highest 14 April, 2026

    89.7 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.8 °F
Get WillyWeather+ to remove ads