Six Flags - St. Louis Weather Forecast

    • 73
    • 91

    Chance Thunderstorms

    • 71
    • 87

    Thunderstorms Likely

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 90

    Chance Rain Showers

    • 69
    • 87

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

Today 5 Jul St. Louis

Sunny. Near steady temperature in the lower 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 5 Jul St. Louis

Mostly clear this Evening, then partly cloudy with isolated Showers and Thunderstorms after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Six Flags - St. Louis Temperature Statistics

July Temperature

St. Louis, Spirit Of St. Louis Airport (9.9 miles)

  • Lowest 2 July, 2025

    62.1 °F

  • Average July

    77.6 °F

  • Highest 3 July, 2025

    91 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (9.9 miles)

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

  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    68 °F
Get WillyWeather+ to remove ads