Edwardsville Weather Forecast

    • 73
    • 95

    Mostly Sunny

    • 76
    • 98

    Hot

    • 80
    • 100

    Hot

    • 78
    • 100

    Hot

    • 78
    • 100

    Hot

    • 75
    • 99

    Slight Chance Thunderstorms

Today 30 Aug Madison

Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph.

Tonight 30 Aug Madison

Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph.

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Edwardsville Temperature Statistics

August Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 24 August, 2026

    54.5 °F

  • Average August

    74.3 °F

  • Highest 11 August, 2026

    95 °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

    66.6 °F
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