Marais Temps Clair Conservation Area Weather Forecast

    • 35
    • 55

    Becoming Sunny

    • 36
    • 60

    Chance Rain

    • 17
    • 42

    Breezy

    • 25
    • 32

    Mostly Cloudy

    • 18
    • 43

    Mostly Cloudy

    • 9
    • 28

    Mostly Cloudy

    • 13
    • 26

    Partly Sunny

Today 12 Jan St. Charles

Sunny. Not as cool with Highs in the mid 50s. Temperature falling to around 50 late. Southwest Winds 5 to 10 Mph.

Tonight 12 Jan St. Charles

Mostly clear. Not as cool with Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marais Temps Clair Conservation Area Temperature Statistics

January Temperature

St. Charles, St. Charles County Smartt Airport (1.9 miles)

  • Lowest 7 January, 2026

    28 °F

  • Average January

    49.2 °F

  • Highest 6 January, 2026

    66 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.6 °F
Get WillyWeather+ to remove ads