Marais Temps Clair Conservation Area Weather Forecast

    • 68
    • 86

    Partly Sunny

    • 69
    • 90

    Rain Showers Likely

    • 62
    • 82

    Rain Showers

    • 60
    • 84

    Slight Chance Thunderstorms

    • 60
    • 88

    Rain Showers

    • 42
    • 74

    Chance Rain Showers

    • 41
    • 64

    Mostly Sunny

Today 13 Apr St. Charles

Partly sunny. Near steady temperature in the lower 80s. South Winds 15 to 20 Mph.

Tonight 13 Apr St. Charles

Partly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marais Temps Clair Conservation Area Temperature Statistics

April Temperature

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

  • Lowest 6 April, 2026

    38.6 °F

  • Average April

    58.7 °F

  • Highest 3 April, 2026

    83.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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