Maple Island Conservation Area Weather Forecast

    • 59
    • 83

    Slight Chance Thunderstorms

    • 51
    • 86

    Rain Showers

    • 40
    • 63

    Chance Rain Showers

    • 42
    • 65

    Sunny

    • 51
    • 72

    Mostly Sunny

    • 55
    • 78

    Slight Chance Thunderstorms

Today 16 Apr St. Charles

Partly sunny in the Morning, then clearing. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 16 Apr St. Charles

Mostly clear. Lows around 60. South Winds around 5 Mph.

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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

    59.4 °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

    54.3 °F

  • Average High 2021–2026

    66.6 °F
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