Grand Crossing Weather Forecast

    • 58
    • 67

    Rain Showers Likely

    • 55
    • 65

    Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

    • 56
    • 66

    Mostly Cloudy

    • 56
    • 66

    Mostly Cloudy

    • 58
    • 69

    Mostly Cloudy

Today 20 Sep Central Cook

Mostly cloudy. Highs in the lower 70s.

Tonight 20 Sep Central Cook

Cloudy. Showers likely and Areas of drizzle in the Evening, then a chance of Showers after midnight. Breezy. Lows in the upper 50s. Northeast Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Crossing Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.1 miles)

  • Lowest 14 September, 2026

    53.1 °F

  • Average September

    75.4 °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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