Moraine Hills Weather Forecast

    • 49
    • 73

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

    • 58
    • 80

    Partly Sunny

    • 57
    • 81

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 62
    • 84

    Partly Sunny

Today 8 Sep McHenry

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 8 Sep McHenry

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. South Winds around 5 Mph.

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Moraine Hills Temperature Statistics

September Temperature

Chicago/Waukegan Regional Airport (19.9 miles)

  • Lowest 4 September, 2025

    46 °F

  • Average September

    62.8 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (19.9 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.6 °F
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