Edwardsville Weather Forecast

    • 75
    • 91

    Rain Showers Likely

    • 76
    • 94

    Mostly Sunny

    • 69
    • 94

    Rain Showers

    • 65
    • 84

    Slight Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

Today 9 Jun Madison

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 108 this afternoon.

Tonight 9 Jun Madison

Partly cloudy in the Evening, then clearing. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph. Heat index Values up to 109 early in the evening.

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Edwardsville Temperature Statistics

June Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    71 °F

  • Highest 6 June, 2026

    87.8 °F

Climate (2021–Present)

St. Louis Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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