McCook Weather Forecast

    • 57
    • 73

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 54
    • 70

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

Today 6 Oct Central Cook

Sunny. Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Oct Central Cook

Partly cloudy. Lows in the upper 50s. Southwest Winds around 10 Mph.

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McCook Temperature Statistics

October Temperature

Chicago, Chicago Midway Airport (4.3 miles)

  • Lowest 3 October, 2026

    48.9 °F

  • Average October

    62.4 °F

  • Highest 4 October, 2026

    73 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (4.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.8 °F
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