Maple Island Conservation Area Weather Forecast

    • 59
    • 75

    Mostly Cloudy

    • 59
    • 73

    Rain Showers Likely

    • 55
    • 67

    Slight Chance Rain Showers

    • 61
    • 70

    Rain Showers Likely

    • 55
    • 73

    Rain Showers Likely

    • 51
    • 69

    Chance Rain Showers

    • 47
    • 66

    Partly Sunny

Today 30 Oct St. Charles

Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.

Tonight 30 Oct St. Charles

Mostly cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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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 18 October, 2026

    36 °F

  • Average October

    59 °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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