Edwardsville Weather Forecast

    • 61
    • 74

    Mostly Sunny

    • 52
    • 72

    Rain Likely

    • 51
    • 74

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

Today 4 Sep Madison

Mostly sunny. Cooler with Highs in the mid 70s. North Winds around 5 Mph, becoming west this afternoon.

Tonight 4 Sep Madison

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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Edwardsville Temperature Statistics

September Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 1 September, 2025

    56.7 °F

  • Average September

    65.3 °F

  • Highest 2 September, 2025

    80.6 °F

Climate (2020–Present)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    66 °F
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