Cook Weather Forecast

    • 39
    • 66

    Increasing Clouds

    • 45
    • 64

    Mostly Cloudy

    • 44
    • 67

    Mostly Cloudy

    • 37
    • 64

    Mostly Cloudy

    • 38
    • 64

    Mostly Cloudy

    • 41
    • 64

    Mostly Cloudy

Today 17 Sep Central St. Louis

Areas of dense fog this morning. Partly sunny. Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 17 Sep Central St. Louis

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. North Winds around 5 Mph, becoming east after midnight.

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Cook Temperature Statistics

September Temperature

Cook Municipal Airport (1.9 miles)

  • Lowest 14 September, 2026

    30.2 °F

  • Average September

    61.7 °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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