Maple Island Conservation Area Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 48
    • 78

    Sunny

    • 48
    • 76

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

    • 51
    • 80

    Mostly Cloudy

    • 50
    • 76

    Mostly Cloudy

Today 21 Oct St. Charles

Sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 21 Oct St. Charles

Mostly clear. Lows in the upper 40s. Light and variable Winds.

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Maple Island Conservation Area Temperature Statistics

October Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 18 October, 2026

    36 °F

  • Average October

    60.9 °F

  • Highest 12 October, 2026

    91.4 °F

Climate (2021–2026)

St. Louis Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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