Maple Island Conservation Area Weather Forecast

    • 68
    • 84

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers

    • 69
    • 83

    Rain Showers

    • 74
    • 88

    Chance Thunderstorms

    • 76
    • 96

    Mostly Sunny

    • 77
    • 98

    Hot

    • 77
    • 98

    Hot

Today 24 Jun St. Charles

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 24 Jun St. Charles

Mostly cloudy this Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the upper 60s. Southwest Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

June Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 3 June, 2026

    52.5 °F

  • Average June

    71.8 °F

  • Highest 9 June, 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

    66.6 °F
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