Cahokia Weather Forecast

    • 61
    • 75

    Slight Chance Rain Showers

    • 66
    • 82

    Rain Showers Likely

    • 69
    • 86

    Chance Rain Showers

    • 70
    • 89

    Rain Showers Likely

    • 65
    • 86

    Rain Showers Likely

    • 62
    • 80

    Chance Thunderstorms

Today 11 Apr St. Clair

Partly sunny with a 20 percent chance of Showers. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 11 Apr St. Clair

Mostly cloudy this Evening, then becoming partly cloudy. Not as cool with Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cahokia Temperature Statistics

April Temperature

St. Louis Downtown Airport (1.9 miles)

  • Lowest 6 April, 2026

    37.7 °F

  • Average April

    59.9 °F

  • Highest 3 April, 2026

    83.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    69.1 °F
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