Grand Crossing Weather Forecast

    • 68
    • 80

    Thunderstorms

    • 68
    • 76

    Thunderstorms

    • 66
    • 76

    Mostly Cloudy

    • 67
    • 82

    Partly Sunny

    • 70
    • 86

    Chance Rain Showers

    • 70
    • 88

    Chance Thunderstorms

Today 4 Jul Central Cook

Mostly cloudy. A slight chance of Showers and Thunderstorms in the morning. Showers and Thunderstorms likely in the afternoon. Highs in the mid 80s Inland, but only in the upper 70s near the lake. West Winds around 5 Mph, becoming east in the afternoon. Chance of precipitation 70 percent.

Tonight 4 Jul Central Cook

Mostly cloudy. Showers and Thunderstorms likely early in the Evening, then a chance of Showers and Thunderstorms late in the evening. A slight chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. North Winds around 5 Mph. Chance of precipitation 70 percent.

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Grand Crossing Temperature Statistics

July Temperature

Chicago, Chicago Midway Airport (8.1 miles)

  • Lowest 1 July, 2026

    79 °F

  • Average July

    86.3 °F

  • Highest 1 July, 2026

    93.9 °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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