Cook Weather Forecast

    • 46
    • 64

    Chance Rain Showers

    • 41
    • 65

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 43
    • 66

    Mostly Cloudy

    • 43
    • 66

    Slight Chance Rain Showers

    • 43
    • 66

    Partly Sunny

Today 16 Sep Central St. Louis

Mostly sunny. Areas of fog this morning. A chance of Sprinkles this afternoon. Highs in the mid 60s. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 16 Sep Central St. Louis

Mostly cloudy. A chance of Showers in the evening. Lows in the mid 40s. South Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook Temperature Statistics

September Temperature

Cook Municipal Airport (1.9 miles)

  • Lowest 13 September, 2026

    37.4 °F

  • Average September

    63.3 °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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