Six Flags - St. Louis Weather Forecast

    • 44
    • 69

    Rain Showers Likely

    • 45
    • 68

    Mostly Sunny

    • 55
    • 70

    Rain Showers

    • 65
    • 77

    Rain Showers Likely

    • 65
    • 82

    Rain Showers Likely

    • 57
    • 80

    Rain Showers Likely

Today 23 Apr St. Louis

Partly sunny this Morning, then cloudy with Showers likely with a slight chance of Thunderstorms this afternoon. Highs in the upper 60s. Southwest Winds 10 to 15 Mph, becoming west this afternoon. Chance of rain 70 percent.

Tonight 23 Apr St. Louis

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 40s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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Six Flags - St. Louis Temperature Statistics

April Temperature

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

  • Lowest 5 April, 2024

    28.9 °F

  • Average April

    57.6 °F

  • Highest 14 April, 2024

    87.7 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    46.2 °F

  • Average 2019–2024

    56.7 °F

  • Average High 2019–2024

    67.7 °F
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