Oakville Weather Forecast

    • 67
    • 93

    Increasing Clouds

    • 65
    • 87

    Chance Thunderstorms

    • 66
    • 86

    Slight Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

    • 63
    • 85

    Chance Thunderstorms

Today 18 Sep St. Louis

Sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 18 Sep St. Louis

Partly cloudy. A slight chance of Showers after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Oakville Temperature Statistics

September Temperature

St. Louis Downtown Airport (10.6 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    71.3 °F

  • Highest 14 September, 2025

    96.1 °F

Climate (2020–Present)

St. Louis Downtown Airport (10.6 miles)

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

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.5 °F
Get WillyWeather+ to remove ads