Waukegan Regional Airport Weather Forecast

    • 26
    • 29

    Snow Showers

    • 8
    • 37

    Chance Snow Showers

    • 17
    • 22

    Mostly Cloudy

    • 22
    • 32

    Partly Sunny

    • 29
    • 41

    Partly Sunny

    • 29
    • 40

    Mostly Cloudy

Today 5 Feb Lake

Cloudy. Scattered snow Showers early in the Morning, then numerous snow Showers late in the morning. Isolated snow Showers early in the afternoon. Snow accumulation up to half an inch. Highs around 30. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 60 percent.

Tonight 5 Feb Lake

Mostly cloudy. A chance of snow Showers after midnight. A chance of sleet with a slight chance of freezing rain late. Little or no snow and sleet accumulation. Near steady temperature in the upper 20s. West Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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Waukegan Regional Airport Temperature Statistics

February Temperature

Chicago/Waukegan Regional Airport (0 miles)

  • Lowest 1 February, 2026

    6.1 °F

  • Average February

    21.1 °F

  • Highest 1 February, 2026

    28 °F

Climate (2021–Present)

Chicago/Waukegan Regional Airport (0 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.5 °F
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