Cahokia Weather Forecast

    • 29
    • 39

    Mostly Cloudy

    • 29
    • 42

    Mostly Cloudy

    • 25
    • 42

    Partly Sunny

    • 34
    • 45

    Partly Sunny

    • 41
    • 61

    Partly Sunny

    • 43
    • 64

    Mostly Cloudy

Today 1 Jan St. Clair

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 30s. North Winds around 5 Mph.

Tonight 1 Jan St. Clair

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Light and variable Winds, becoming east around 5 Mph after midnight.

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Cahokia Temperature Statistics

January Temperature

St. Louis Downtown Airport (1.9 miles)

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  • Average January

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Climate (2021–Present)

St. Louis Downtown Airport (1.9 miles)

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  • Average Low 2021–2025

    47.5 °F

  • Average 2021–2025

    58 °F

  • Average High 2021–2025

    68.7 °F
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