Waukegan Regional Airport Weather Forecast

    • 54
    • 75

    Increasing Clouds

    • 57
    • 68

    Mostly Cloudy

    • 63
    • 73

    Chance Thunderstorms

    • 71
    • 79

    Partly Sunny

    • 75
    • 93

    Partly Sunny

    • 74
    • 95

    Slight Chance Thunderstorms

Today 25 Jun Lake

Partly cloudy. A slight chance of Showers in the afternoon. Highs in the upper 70s Inland, but only in the lower 70s near the lake. Northwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 25 Jun Lake

Mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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Waukegan Regional Airport Temperature Statistics

June Temperature

Chicago/Waukegan Regional Airport (0 miles)

  • Lowest 3 June, 2026

    44.7 °F

  • Average June

    66.7 °F

  • Highest 10 June, 2026

    90.6 °F

Climate (2021–2026)

Chicago/Waukegan Regional Airport (0 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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