Marion Bay Weather Forecast

    • 39
    • 54

    Rain Showers

    • 37
    • 47

    Chance Rain Showers

    • 38
    • 60

    Mostly Sunny

    • 48
    • 64

    Chance Rain Showers

    • 44
    • 66

    Chance Rain Showers

    • 40
    • 59

    Partly Sunny

    • 43
    • 59

    Chance Rain Showers

Today 11 May North St. Louis

Sunny and not as cool. Near steady temperature in the mid 50s. South Winds around 5 Mph.

Tonight 11 May North St. Louis

Mostly cloudy. Showers likely after midnight. Not as cool with Lows in the upper 30s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Bay Temperature Statistics

May Temperature

Falls International Airport (20.5 miles)

  • Lowest 1 May, 2026

    18.6 °F

  • Average May

    38.8 °F

  • Highest 3 May, 2026

    66.7 °F

Climate (2021–Present)

Falls International Airport (20.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    40.8 °F

  • Average High 2021–2026

    51 °F
Get WillyWeather+ to remove ads