Cahokia Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 63
    • 83

    Rain Showers Likely

    • 55
    • 76

    Rain Showers

    • 55
    • 77

    Partly Sunny

    • 63
    • 76

    Rain Showers Likely

    • 54
    • 80

    Rain Showers

    • 52
    • 73

    Partly Sunny

Today 22 Apr St. Clair

Sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 22 Apr St. Clair

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Cahokia Temperature Statistics

April Temperature

St. Louis Downtown Airport (1.9 miles)

  • Lowest 6 April, 2026

    37.7 °F

  • Average April

    63.6 °F

  • Highest 14 April, 2026

    90.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    69.2 °F
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