Waukegan Weather Forecast

    • 47
    • 63

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 56
    • 68

    Chance Rain Showers

    • 58
    • 69

    Slight Chance Thunderstorms

    • 60
    • 69

    Chance Rain Showers

    • 62
    • 76

    Chance Thunderstorms

Today 29 May Lake

Partly cloudy. Highs in the mid 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 May Lake

Clear. Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waukegan Temperature Statistics

May Temperature

Chicago/Waukegan Regional Airport (3.7 miles)

  • Lowest 3 May, 2024

    44.7 °F
  • Average May

    60.9 °F
  • Highest 21 May, 2024

    86.6 °F

Climate (2019–Present)

Chicago/Waukegan Regional Airport (3.7 miles)

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  • Average Low 2019–2024

    42.1 °F
  • Average 2019–2024

    50.5 °F
  • Average High 2019–2024

    58.7 °F
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