Grand Crossing Weather Forecast

    • 59
    • 75

    Mostly Sunny

    • 61
    • 75

    Partly Sunny

    • 66
    • 79

    Partly Sunny

    • 67
    • 83

    Chance Thunderstorms

    • 66
    • 80

    Slight Chance Thunderstorms

    • 65
    • 79

    Partly Sunny

    • 67
    • 79

    Mostly Cloudy

Today 23 Aug Central Cook

Partly cloudy. Temperatures in the mid 70s. North Winds around 10 Mph.

Tonight 23 Aug Central Cook

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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Grand Crossing Temperature Statistics

August Temperature

Chicago, Chicago Midway Airport (8.1 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    74.7 °F

  • Highest 10 August, 2026

    87.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (8.1 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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