Cahokia Weather Forecast

    • 51
    • 69

    Chance Rain Showers

    • 52
    • 75

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 46
    • 72

    Sunny

    • 49
    • 72

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

Today 2 Oct St. Clair

Cloudy with a chance of Showers this Morning, then partly sunny this afternoon. Much cooler with Highs in the upper 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 2 Oct St. Clair

Partly cloudy in the Evening, then clearing. Cooler with Lows around 50. Northeast Winds 5 to 10 Mph.

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Cahokia Temperature Statistics

October Temperature

St. Louis Downtown Airport (1.9 miles)

  • Lowest

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  • Average October

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Climate (2021–2026)

St. Louis Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    69.5 °F
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