Maple Island Conservation Area Weather Forecast

    • 37
    • 63

    Sunny

    • 39
    • 68

    Sunny

    • 41
    • 73

    Mostly Sunny

    • 44
    • 76

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

Today 17 Oct St. Charles

Patchy frost in the morning. Sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 17 Oct St. Charles

Clear. Patchy frost after midnight. Lows in the upper 30s. Light and variable Winds, becoming southeast around 5 Mph after midnight.

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Maple Island Conservation Area Temperature Statistics

October Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 6 October, 2026

    43.2 °F

  • Average October

    63.8 °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

    46.5 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66.7 °F
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