Maple Island Conservation Area Weather Forecast

    • 65
    • 83

    Decreasing Clouds

    • 65
    • 86

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

Today 2 Aug St. Charles

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the lower 80s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 2 Aug St. Charles

Mostly clear. Lows in the mid 60s. North Winds 5 to 10 Mph.

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Maple Island Conservation Area Temperature Statistics

August Temperature

St. Louis Regional Airport (6.2 miles)

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  • Average August

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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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