Edwardsville Weather Forecast

    • 67
    • 89

    Becoming Sunny

    • 62
    • 80

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 64
    • 79

    Chance Thunderstorms

    • 71
    • 87

    Mostly Sunny

    • 77
    • 94

    Mostly Sunny

    • 74
    • 98

    Slight Chance Thunderstorms

Today 21 Jul Madison

Mostly sunny. Near steady temperature around 90. Northwest Winds 10 to 15 Mph. Heat index Values up to 100.

Tonight 21 Jul Madison

Mostly clear. Cooler with Lows in the upper 60s. North Winds 5 to 10 Mph.

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Edwardsville Temperature Statistics

July Temperature

St. Louis Regional Airport (6.8 miles)

  • Lowest 14 July, 2026

    66.4 °F

  • Average July

    77.5 °F

  • Highest 2 July, 2026

    93.2 °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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