Mundelein Weather Forecast

    • 42
    • 69

    Decreasing Clouds

    • 38
    • 62

    Mostly Sunny

    • 40
    • 57

    Partly Sunny

    • 46
    • 63

    Rain Showers Likely

    • 43
    • 62

    Partly Sunny

    • 51
    • 68

    Partly Sunny

Today 9 May Lake

Mostly cloudy. A slight chance of Showers in the afternoon. Breezy. Highs in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 35 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 9 May Lake

Mostly clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Mundelein Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    51.8 °F

  • Highest 4 May, 2026

    81.6 °F

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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