Waukegan Weather Forecast

    • 9
    • 31

    Snow Showers

    • 20
    • 24

    Slight Chance Snow

    • 26
    • 34

    Mostly Cloudy

    • 32
    • 41

    Chance Rain/Snow

    • 34
    • 48

    Rain Likely

    • 26
    • 41

    Chance Rain/Snow

Today 6 Dec Lake

Windy. Mostly cloudy. Isolated light snow Showers in the morning. Highs around 30. Then Temperatures falling into the upper teens by evening. West Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of precipitation 20 percent.

Tonight 6 Dec Lake

Mostly clear in the evening then becoming partly cloudy. Lows 6 to 10 above. West Winds 10 to 20 Mph with Gusts up to 30 Mph in the evening decreasing to 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waukegan Temperature Statistics

December Temperature

Chicago/Waukegan Regional Airport (3.7 miles)

  • Lowest 1 December, 2021

    30.9 °F
  • Average December

    40.8 °F
  • Highest 2 December, 2021

    55 °F

Climate (2010–Present)

Chicago/Waukegan Regional Airport (3.7 miles)

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  • Average Low 2010–Present

    41.7 °F
  • Average 2010–Present

    49.9 °F
  • Average High 2010–Present

    57.9 °F
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