Jones-Confluence Point State Park Weather Forecast

    • 65
    • 85

    Chance Thunderstorms

    • 66
    • 88

    Chance Thunderstorms

    • 66
    • 86

    Rain Showers Likely

    • 65
    • 86

    Chance Thunderstorms

    • 63
    • 81

    Chance Thunderstorms

    • 60
    • 78

    Chance Rain Showers

Today 19 Sep St. Charles

Mostly cloudy in the Morning, then becoming partly sunny. A slight chance of Showers and Thunderstorms. Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 19 Sep St. Charles

Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jones-Confluence Point State Park Temperature Statistics

September Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 8 September, 2025

    43.5 °F

  • Average September

    65.3 °F

  • Highest 14 September, 2025

    96.8 °F

Climate (2020–Present)

St. Louis Regional Airport (6.2 miles)

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

  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    66 °F
Get WillyWeather+ to remove ads