Maple Island Conservation Area Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 88

    Rain Showers

    • 72
    • 87

    Rain Showers

    • 75
    • 93

    Chance Thunderstorms

    • 77
    • 97

    Hot

    • 76
    • 96

    Slight Chance Thunderstorms

Today 6 Jun St. Charles

Partly sunny this Morning, then mostly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 6 Jun St. Charles

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows around 70. Southwest Winds 5 to 10 Mph, becoming south after midnight. Chance of rain 20 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

    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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