Waukegan Regional Airport Weather Forecast

    • 37
    • 52

    Mostly Sunny

    • 45
    • 53

    Partly Sunny

    • 45
    • 58

    Mostly Sunny

    • 44
    • 54

    Partly Sunny

    • 44
    • 54

    Chance Rain

    • 40
    • 53

    Slight Chance Rain

    • 40
    • 53

    Chance Rain

Today 24 Oct Lake

Sunny. Highs in the lower 50s. Northwest Winds around 5 Mph.

Tonight 24 Oct Lake

Mostly clear. Lows in the mid 30s. Southeast Winds around 5 Mph.

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Waukegan Regional Airport Temperature Statistics

October Temperature

Chicago/Waukegan Regional Airport (0 miles)

  • Lowest 20 October, 2025

    39 °F

  • Average October

    60.9 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (0 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.7 °F
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