Grand Crossing Weather Forecast

    • 56
    • 69

    Partly Sunny

    • 63
    • 73

    Partly Sunny

    • 66
    • 76

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 54
    • 63

    Slight Chance Rain Showers

    • 54
    • 63

    Partly Sunny

Today 28 Sep Central Cook

Partly cloudy in the Morning, then clearing. Patchy fog early in the morning. Highs in the lower 70s Inland, but only in the upper 60s near the lake. Northeast Winds around 5 Mph.

Tonight 28 Sep Central Cook

Partly cloudy. Lows in the mid 50s. East Winds around 5 Mph, becoming south after midnight.

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Grand Crossing Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.1 miles)

  • Lowest 14 September, 2026

    53.1 °F

  • Average September

    72 °F

  • Highest 2 September, 2026

    96.1 °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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