Maple Island Conservation Area Weather Forecast

    • 67
    • 80

    Rain Showers

    • 73
    • 89

    Chance Rain Showers

    • 76
    • 95

    Mostly Sunny

    • 78
    • 99

    Hot

    • 74
    • 96

    Partly Sunny

    • 72
    • 93

    Slight Chance Thunderstorms

Today 24 Jul St. Charles

Partly sunny with a slight chance of Showers this Morning, then mostly cloudy with a chance of Showers this afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 24 Jul St. Charles

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

July Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 14 July, 2026

    66.4 °F

  • Average July

    77.6 °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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