Six Flags - St. Louis Weather Forecast

    • 28
    • 57

    Rain Likely

    • 11
    • 29

    Mostly Cloudy

    • 3
    • 16

    Partly Sunny

    • 5
    • 21

    Partly Sunny

    • 8
    • 17

    Mostly Sunny

    • 24
    • 36

    Mostly Cloudy

    • 20
    • 38

    Mostly Cloudy

Today 17 Jan St. Louis

Mostly cloudy with a 20 percent chance of rain. Highs in the lower 50s. Temperature falling into the upper 40s late. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jan St. Louis

Rain. Patchy fog. Lows in the upper 20s. South Winds 10 to 15 Mph, becoming northwest. Chance of rain near 100 percent.

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Six Flags - St. Louis Temperature Statistics

January Temperature

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

  • Lowest 9 January, 2025

    0.8 °F

  • Average January

    25.2 °F

  • Highest 2 January, 2025

    46.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    67.8 °F
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