Cook Weather Forecast

    • 36
    • 60

    Mostly Cloudy

    • 31
    • 62

    Mostly Sunny

    • 35
    • 63

    Sunny

    • 40
    • 64

    Partly Sunny

    • 46
    • 63

    Mostly Cloudy

    • 49
    • 68

    Mostly Cloudy

    • 49
    • 67

    Mostly Cloudy

Today 20 Sep Central St. Louis

Partly sunny. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 20 Sep Central St. Louis

Mostly cloudy after midnight. Cooler with Lows in the upper 30s. East Winds around 5 Mph.

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Cook Temperature Statistics

September Temperature

Cook Municipal Airport (1.9 miles)

  • Lowest 14 September, 2026

    30.2 °F

  • Average September

    60.2 °F

  • Highest 3 September, 2026

    82.4 °F

Climate (2021–2026)

Cook Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    51.7 °F
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