Waukegan Weather Forecast

    • 68
    • 83

    Rain Showers

    • 68
    • 82

    Chance Thunderstorms

    • 70
    • 83

    Slight Chance Thunderstorms

    • 70
    • 88

    Thunderstorms Likely

    • 72
    • 88

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

Today 5 Aug Lake

Mostly sunny early in the morning then becoming partly cloudy. Highs in the mid 80s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

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Waukegan Temperature Statistics

August Temperature

Chicago/Waukegan Regional Airport (3.7 miles)

  • Lowest 2 August, 2021

    55 °F
  • Average August

    68.1 °F
  • Highest 3 August, 2021

    80.1 °F

Climate (2010–Present)

Chicago/Waukegan Regional Airport (3.7 miles)

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  • Average Low 2010–Present

    40.8 °F
  • Average 2010–Present

    49 °F
  • Average High 2010–Present

    56.9 °F
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