Waukegan Weather Forecast

    • 63
    • 79

    Mostly Sunny

    • 60
    • 85

    Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

    • 57
    • 78

    Chance Thunderstorms

    • 61
    • 78

    Rain Showers

Today 12 Jun Lake

Sunny. Highs in the upper 70s. West Winds 10 to 20 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 12 Jun Lake

Clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Waukegan Temperature Statistics

June Temperature

Chicago/Waukegan Regional Airport (3.7 miles)

  • Lowest 3 June, 2026

    44.7 °F

  • Average June

    67.9 °F

  • Highest 10 June, 2026

    90 °F

Climate (2021–Present)

Chicago/Waukegan Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    59.8 °F
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