Cook Weather Forecast

    • 36
    • 62

    Chance Rain Showers

    • 44
    • 65

    Mostly Cloudy

    • 44
    • 68

    Partly Sunny

    • 49
    • 68

    Chance Rain Showers

    • 45
    • 69

    Slight Chance Rain Showers

    • 43
    • 66

    Chance Rain Showers

Today 15 Sep Central St. Louis

Mostly cloudy this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 15 Sep Central St. Louis

Partly cloudy. Cooler with Lows in the upper 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Cook Temperature Statistics

September Temperature

Cook Municipal Airport (1.9 miles)

  • Lowest 10 September, 2026

    39.2 °F

  • Average September

    64.5 °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

    41.7 °F

  • Average High 2021–2026

    51.8 °F
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