Cahokia Weather Forecast

    • 24
    • 48

    Decreasing Clouds

    • 27
    • 37

    Partly Sunny

    • 32
    • 52

    Partly Sunny

    • 42
    • 61

    Partly Sunny

    • 40
    • 65

    Chance Rain

    • 32
    • 51

    Slight Chance Rain

Today 6 Feb St. Clair

Partly sunny. Near steady temperature in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 6 Feb St. Clair

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 20s. North Winds 5 to 10 Mph. Gusts up to 30 Mph in the evening.

Graph Plots Open in Graphs
  • 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

    26.4 °F
  • Highest 2 February, 2026

    43.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    47.3 °F
  • Average 2021–2026

    57.9 °F
  • Average High 2021–2026

    68.6 °F
Get WillyWeather+ to remove ads