Grant Woods Forest Preserve Weather Forecast

    • 72
    • 95

    Sunny

    • 71
    • 96

    Partly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

Today 14 Jul Lake

Sunny, hot. Highs in the mid 90s Inland, but only around 90 near the lake. Northwest Winds around 5 Mph, becoming south in the afternoon. Heat index Values up to 102.

Tonight 14 Jul Lake

Clear with Lows in the lower 70s. West Winds 5 to 10 Mph. Heat index Values up to 100 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Woods Forest Preserve Temperature Statistics

July Temperature

Chicago/Waukegan Regional Airport (13.7 miles)

  • Lowest 7 July, 2026

    58.6 °F

  • Average July

    74.5 °F

  • Highest 1 July, 2026

    93.7 °F

Climate (2021–2026)

Chicago/Waukegan Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    59.8 °F
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