Hillside Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 65
    • 86

    Mostly Cloudy

    • 62
    • 78

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

Today 15 Sep Central Cook

Sunny. Highs in the mid 80s Inland, but only in the mid 70s near the lake. East Winds 5 to 10 Mph.

Tonight 15 Sep Central Cook

Mostly clear. Lows in the lower 60s. East Winds 5 to 10 Mph.

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Hillside Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (6.8 miles)

  • Lowest 7 September, 2025

    46.9 °F

  • Average September

    64.7 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (6.8 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.7 °F
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