Cahokia Weather Forecast

    • 42
    • 66

    Partly Sunny

    • 56
    • 65

    Mostly Cloudy

    • 48
    • 74

    Mostly Sunny

    • 38
    • 75

    Chance Rain Showers

    • 33
    • 53

    Slight Chance Rain Showers

    • 29
    • 49

    Chance Rain Showers

    • 22
    • 44

    Mostly Sunny

Today 16 Feb St. Clair

Mostly sunny. Highs in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Feb St. Clair

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cahokia Temperature Statistics

February Temperature

St. Louis Downtown Airport (1.9 miles)

  • Lowest 1 February, 2026

    -1.4 °F

  • Average February

    35.3 °F

  • Highest 10 February, 2026

    69.1 °F

Climate (2021–Present)

St. Louis Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.8 °F
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