Southern Illinois University Edwardsville Weather Forecast

    • 61
    • 77

    Partly Sunny

    • 54
    • 80

    Rain Showers

    • 34
    • 65

    Rain Showers

    • 44
    • 53

    Partly Sunny

    • 39
    • 63

    Mostly Cloudy

    • 50
    • 65

    Mostly Cloudy

Today 9 Mar Madison

Mostly sunny. Not as cool with Highs in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 9 Mar Madison

Partly cloudy. Not as cool with Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Southern Illinois University Edwardsville Temperature Statistics

March Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 1 March, 2026

    26.6 °F

  • Average March

    47.7 °F

  • Highest 6 March, 2026

    78.8 °F

Climate (2021–Present)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    66.5 °F
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