Maple Island Conservation Area Weather Forecast

    • 63
    • 84

    Rain Showers

    • 50
    • 74

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 61
    • 74

    Rain Showers

    • 52
    • 77

    Rain Showers

    • 49
    • 72

    Partly Sunny

Today 23 Apr St. Charles

Sunny. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 23 Apr St. Charles

Partly cloudy in the Evening, then mostly cloudy with Showers with a chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 15 to 20 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

April Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 5 April, 2026

    38.8 °F

  • Average April

    60 °F

  • Highest 3 April, 2026

    82.4 °F

Climate (2021–Present)

St. Louis Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    66.7 °F
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