Lake St Louis Weather Forecast

    • 58
    • 81

    Chance Thunderstorms

    • 67
    • 91

    Rain Showers

    • 58
    • 80

    Chance Rain Showers

    • 61
    • 83

    Mostly Sunny

    • 66
    • 85

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

Today 16 Jun St. Charles

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 16 Jun St. Charles

Mostly clear. Lows in the upper 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake St Louis Temperature Statistics

June Temperature

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

  • Lowest 3 June, 2026

    52.6 °F

  • Average June

    76 °F

  • Highest 9 June, 2026

    93.7 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

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

  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.9 °F
Get WillyWeather+ to remove ads