Grandwood Park Weather Forecast

    • 70
    • 81

    Chance Rain Showers

    • 72
    • 88

    Slight Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

    • 70
    • 91

    Chance Rain Showers

    • 68
    • 85

    Chance Rain Showers

    • 67
    • 84

    Partly Sunny

Today 30 Aug Lake

Mostly cloudy. Showers and scattered Thunderstorms in the Morning, then scattered Showers with isolated Thunderstorms in the afternoon. Breezy. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

Tonight 30 Aug Lake

Mostly cloudy. Scattered Showers with isolated Thunderstorms early in the evening. Scattered Showers and Thunderstorms late. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandwood Park Temperature Statistics

August Temperature

Chicago/Waukegan Regional Airport (6.2 miles)

  • Lowest 24 August, 2026

    52.6 °F

  • Average August

    70.9 °F

  • Highest 16 August, 2026

    85.6 °F

Climate (2021–2026)

Chicago/Waukegan Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.7 °F
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