Southern Illinois University Edwardsville Weather Forecast

    • 49
    • 76

    Partly Sunny

    • 52
    • 78

    Partly Sunny

    • 51
    • 77

    Mostly Cloudy

    • 52
    • 75

    Mostly Cloudy

    • 54
    • 79

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

Today 24 Oct Madison

Sunny. Highs in the mid 70s. Southeast Winds around 5 Mph.

Tonight 24 Oct Madison

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 40s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Southern Illinois University Edwardsville Temperature Statistics

October Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 18 October, 2026

    36 °F

  • Average October

    59.9 °F

  • Highest 12 October, 2026

    91.4 °F

Climate (2021–2026)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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