Southern Illinois University Edwardsville Weather Forecast

    • 54
    • 77

    Mostly Sunny

    • 63
    • 77

    Chance Rain Showers

    • 54
    • 81

    Rain Showers

    • 51
    • 71

    Chance Thunderstorms

    • 46
    • 67

    Mostly Sunny

    • 47
    • 68

    Slight Chance Rain Showers

Today 25 Apr Madison

Sunny. Near steady temperature in the mid 70s. East Winds around 5 Mph.

Tonight 25 Apr Madison

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Southern Illinois University Edwardsville Temperature Statistics

April Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 5 April, 2026

    38.8 °F

  • Average April

    60 °F

  • Highest 3 April, 2026

    82.4 °F

Climate (2021–Present)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    66.7 °F
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