Waukegan Weather Forecast

    • 64
    • 71

    Patchy Fog

    • 69
    • 82

    Chance Thunderstorms

    • 69
    • 80

    Partly Sunny

    • 68
    • 83

    Mostly Sunny

    • 67
    • 83

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

Today 19 Sep Lake

Mostly cloudy. Showers likely late in the morning. Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of precipitation 60 percent.

Tonight 19 Sep Lake

Mostly clear. Areas of fog after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waukegan Temperature Statistics

September Temperature

Chicago/Waukegan Regional Airport (4.3 miles)

  • Lowest 2 September, 2017

    45 °F
  • Average September

    62.2 °F
  • Highest 17 September, 2017

    82.9 °F

Climate (2010–Present)

Chicago/Waukegan Regional Airport (4.3 miles)

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  • Average Low 2010–Present

    39.4 °F
  • Average 2010–Present

    48.2 °F
  • Average High 2010–Present

    56 °F
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