Cook Weather Forecast

    • 42
    • 70

    Decreasing Clouds

    • 53
    • 70

    Rain Showers

    • 50
    • 65

    Rain Showers

    • 44
    • 70

    Partly Sunny

    • 34
    • 62

    Mostly Sunny

    • 36
    • 60

    Mostly Cloudy

Today 27 Sep Central St. Louis

Cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs in the upper 60s. South Winds around 5 Mph, becoming west this afternoon. Chance of rain 20 percent.

Tonight 27 Sep Central St. Louis

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Northwest Winds around 5 Mph, becoming north after midnight.

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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

    58.2 °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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