Six Flags - St. Louis Weather Forecast

    • 32
    • 55

    Mostly Sunny

    • 31
    • 52

    Mostly Sunny

    • 43
    • 49

    Rain

    • 30
    • 52

    Chance Rain

    • 38
    • 49

    Mostly Cloudy

    • 33
    • 62

    Partly Sunny

    • 25
    • 45

    Partly Sunny

Today 28 Jan St. Louis

Sunny and not as cool. Near steady temperature in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 28 Jan St. Louis

Mostly clear. Lows in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Six Flags - St. Louis Temperature Statistics

January Temperature

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

  • Lowest 21 January, 2025

    -0.1 °F

  • Average January

    24.8 °F

  • Highest 17 January, 2025

    57.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    67.8 °F
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