Edwardsville Weather Forecast

    • 68
    • 84

    Gradual Clearing

    • 69
    • 90

    Partly Sunny

    • 67
    • 90

    Partly Sunny

    • 72
    • 91

    Mostly Sunny

    • 69
    • 93

    Chance Rain Showers

    • 70
    • 92

    Chance Thunderstorms

Today 11 Sep Madison

Cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 11 Sep Madison

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Edwardsville Temperature Statistics

September Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 8 September, 2026

    59 °F

  • Average September

    80.2 °F

  • Highest 5 September, 2026

    100.4 °F

Climate (2021–2026)

St. Louis Regional Airport (6.8 miles)

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

  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
Get WillyWeather+ to remove ads