Maple Island Conservation Area Weather Forecast

    • 64
    • 81

    Partly Sunny

    • 67
    • 84

    Chance Rain Showers

    • 68
    • 86

    Rain Showers

    • 72
    • 83

    Rain Showers

    • 74
    • 91

    Chance Thunderstorms

    • 76
    • 96

    Mostly Sunny

    • 78
    • 97

    Hot

Today 23 Jun St. Charles

Sunny. Not as cool with Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 23 Jun St. Charles

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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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

    72.1 °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

    66.7 °F
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