Maple Island Conservation Area Weather Forecast

    • 47
    • 72

    Becoming Sunny

    • 47
    • 75

    Mostly Sunny

    • 48
    • 77

    Sunny

    • 48
    • 76

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 52
    • 79

    Partly Sunny

Today 20 Oct St. Charles

Sunny. Highs in the lower 70s. Light and variable Winds, becoming southeast around 5 Mph in the afternoon.

Tonight 20 Oct St. Charles

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

October Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 17 October, 2026

    40.3 °F

  • Average October

    62.5 °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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