Susan Bay Weather Forecast

    • 50
    • 59

    Rain Showers

    • 42
    • 62

    Gradual Clearing

    • 45
    • 67

    Mostly Cloudy

    • 45
    • 69

    Partly Sunny

    • 49
    • 68

    Chance Rain Showers

    • 45
    • 69

    Mostly Cloudy

    • 44
    • 66

    Chance Rain Showers

Today 14 Sep North St. Louis

Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. Temperature falling into the mid 50s late. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 14 Sep North St. Louis

Showers with a slight chance of Thunderstorms this evening. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Susan Bay Temperature Statistics

September Temperature

Orr Regional Airport (5 miles)

  • Lowest 10 September, 2026

    43.7 °F

  • Average September

    64.5 °F

  • Highest 6 September, 2026

    81.5 °F

Climate (2021–2026)

Orr Regional Airport (5 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    40.1 °F

  • Average High 2021–2026

    49.9 °F
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