Edwardsville Weather Forecast

    • 75
    • 93

    Mostly Sunny

    • 71
    • 95

    Rain Showers

    • 63
    • 80

    Rain Showers

    • 67
    • 86

    Partly Sunny

    • 68
    • 89

    Chance Rain Showers

    • 68
    • 88

    Slight Chance Rain Showers

Today 8 Sep Madison

Mostly sunny. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 8 Sep Madison

Mostly clear. Not as cool with Lows in the mid 70s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Edwardsville Temperature Statistics

September Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 6 September, 2026

    69.8 °F

  • Average September

    81.3 °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