North Chicago Weather Forecast

    • 47
    • 64

    Decreasing Clouds

    • 45
    • 64

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 60
    • 78

    Slight Chance Rain

    • 60
    • 76

    Mostly Cloudy

    • 60
    • 72

    Partly Sunny

Today 5 Sep Lake

Increasing cloudiness. Breezy. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 5 Sep Lake

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 40s. West Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Chicago Temperature Statistics

September Temperature

Chicago/Waukegan Regional Airport (6.8 miles)

  • Lowest 1 September, 2025

    53.1 °F

  • Average September

    65.4 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (6.8 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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