Mundelein Weather Forecast

    • 48
    • 78

    Chance Thunderstorms

    • 40
    • 55

    Mostly Cloudy

    • 39
    • 56

    Mostly Cloudy

    • 42
    • 58

    Partly Sunny

    • 41
    • 61

    Partly Sunny

    • 46
    • 66

    Partly Sunny

Today 4 May Lake

Mostly sunny in the Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late. Breezy. Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

Tonight 4 May Lake

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. A slight chance of Showers after midnight. Lows in the upper 40s. West Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of precipitation 50 percent.

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Mundelein Temperature Statistics

May Temperature

Chicago / Wheeling, Pal-Waukee Airport (10.6 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (10.6 miles)

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  • Average Low 2021–2026

    44.1 °F
  • Average 2021–2026

    52.9 °F
  • Average High 2021–2026

    61.6 °F
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