Marion Bay Weather Forecast

    • 57
    • 65

    Chance Rain Showers

    • 45
    • 68

    Partly Sunny

    • 38
    • 58

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

    • 40
    • 56

    Chance Rain Showers

    • 36
    • 54

    Partly Sunny

Today 29 Sep North St. Louis

Showers. Near steady temperature in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 29 Sep North St. Louis

Mostly cloudy. A chance of Showers in the evening. Patchy fog after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Bay Temperature Statistics

September Temperature

Falls International Airport (20.5 miles)

  • Lowest 22 September, 2026

    27.6 °F

  • Average September

    57.6 °F

  • Highest 6 September, 2026

    83.6 °F

Climate (2021–2026)

Falls International Airport (20.5 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.9 °F
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