Maple Island Conservation Area Weather Forecast

    • 74
    • 93

    Mostly Sunny

    • 74
    • 92

    Rain Showers Likely

    • 75
    • 91

    Rain Showers Likely

    • 76
    • 94

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Partly Sunny

Today 15 Jul St. Charles

Sunny. Highs in the lower 90s. East Winds around 5 Mph.

Tonight 15 Jul St. Charles

Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows in the lower 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

July Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 5 July, 2026

    68.7 °F

  • Average July

    77.2 °F

  • Highest 2 July, 2026

    93.2 °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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