Maple Island Conservation Area Weather Forecast

    • 71
    • 89

    Slight Chance Thunderstorms

    • 71
    • 90

    Chance Rain Showers

    • 71
    • 86

    Rain Showers

    • 72
    • 86

    Rain Showers

    • 74
    • 92

    Chance Thunderstorms

    • 76
    • 95

    Mostly Sunny

Today 5 Jun St. Charles

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 5 Jun St. Charles

Mostly cloudy. Lows around 70. Southwest Winds 10 to 15 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

    68.2 °F

  • Highest 1 June, 2026

    84.2 °F

Climate (2021–Present)

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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