Maple Island Conservation Area Weather Forecast

    • 56
    • 77

    Mostly Sunny

    • 62
    • 78

    Chance Rain Showers

    • 63
    • 82

    Chance Thunderstorms

    • 70
    • 89

    Rain Showers

    • 61
    • 81

    Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 14 Jun St. Charles

Mostly sunny. Near steady temperature in the mid 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Jun St. Charles

Mostly clear. Cooler with Lows in the mid 50s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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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

    74.4 °F
  • Highest 9 June, 2026

    91.4 °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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