Clarendon Hills Weather Forecast

    • 47
    • 65

    Decreasing Clouds

    • 48
    • 68

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

Today 6 Sep DuPage

Partly cloudy early to mid Afternoon, then becoming mostly cloudy. Highs in the mid 60s. West Winds 10 to 20 Mph with Gusts up to 25 Mph.

Tonight 6 Sep DuPage

Mostly cloudy early in the evening then clearing. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Clarendon Hills Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (9.9 miles)

  • Lowest 4 September, 2025

    50 °F

  • Average September

    66.9 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (9.9 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    61.8 °F
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