Edwardsville Weather Forecast

    • 40
    • 69

    Sunny

    • 41
    • 71

    Mostly Sunny

    • 44
    • 74

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

Today 18 Oct Madison

Areas of frost this morning. Sunny. Not as cool with Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 18 Oct Madison

Clear. Lows around 40. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Edwardsville Temperature Statistics

October Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 6 October, 2026

    43.2 °F

  • Average October

    64.2 °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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