Six Flags - St. Louis Weather Forecast

    • 41
    • 63

    Increasing Clouds

    • 39
    • 60

    Partly Sunny

    • 55
    • 74

    Chance Rain Showers

    • 55
    • 80

    Rain Showers Likely

    • 47
    • 68

    Rain Showers Likely

    • 42
    • 63

    Chance Thunderstorms

Today 1 May St. Louis

Patchy fog this morning. Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 1 May St. Louis

Partly cloudy in the Evening, then becoming mostly cloudy. A 20 percent chance of Showers. Lows in the lower 40s. North Winds around 5 Mph.

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Six Flags - St. Louis Temperature Statistics

May Temperature

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

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  • Average May

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Climate (2021–Present)

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

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.8 °F
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