Cusson Weather Forecast

    • 46
    • 66

    Mostly Cloudy

    • 38
    • 61

    Mostly Cloudy

    • 35
    • 62

    Mostly Sunny

    • 37
    • 64

    Mostly Sunny

    • 42
    • 65

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 19 Sep North St. Louis

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the mid 60s. Light and variable Winds, becoming north around 5 Mph in the afternoon.

Tonight 19 Sep North St. Louis

Mostly cloudy. Lows in the mid 40s. North Winds around 5 Mph.

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Cusson Temperature Statistics

September Temperature

Orr Regional Airport (5 miles)

  • Lowest 16 September, 2026

    34.7 °F

  • Average September

    61.4 °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 °F

  • Average High 2021–2026

    49.8 °F
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