Cook Weather Forecast

    • 47
    • 68

    Slight Chance Rain Showers

    • 34
    • 61

    Mostly Cloudy

    • 31
    • 62

    Mostly Sunny

    • 36
    • 63

    Mostly Sunny

    • 40
    • 64

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 49
    • 70

    Partly Sunny

Today 19 Sep Central St. Louis

Mostly cloudy. Near steady temperature in the mid 60s. North Winds around 5 Mph.

Tonight 19 Sep Central St. Louis

Mostly cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. North Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook Temperature Statistics

September Temperature

Cook Municipal Airport (1.9 miles)

  • Lowest 14 September, 2026

    30.2 °F

  • Average September

    60.6 °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

    51.7 °F
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