Maple Island Conservation Area Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 65
    • 82

    Rain Showers Likely

    • 64
    • 83

    Rain Showers Likely

    • 70
    • 90

    Slight Chance Thunderstorms

    • 69
    • 90

    Rain Showers Likely

    • 62
    • 82

    Rain Showers Likely

Today 14 May St. Charles

Sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 14 May St. Charles

Clear, cooler with Lows in the mid 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Maple Island Conservation Area Temperature Statistics

May Temperature

St. Louis Regional Airport (6.2 miles)

  • Lowest 7 May, 2026

    39.6 °F

  • Average May

    57.2 °F

  • Highest 12 May, 2026

    80.6 °F

Climate (2021–Present)

St. Louis Regional Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    66.7 °F
Get WillyWeather+ to remove ads