Mundelein Weather Forecast

    • 43
    • 64

    Partly Sunny

    • 48
    • 64

    Mostly Cloudy

    • 51
    • 62

    Chance Rain Showers

    • 50
    • 65

    Slight Chance Rain Showers

    • 52
    • 70

    Slight Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

Today 25 May Lake

Mostly cloudy through mid Morning, then becoming partly cloudy. Isolated Showers through mid morning. Highs in the mid 60s Inland, but only in the upper 50s near the lake. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 25 May Lake

Mostly clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.

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Mundelein Temperature Statistics

May Temperature

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

  • Lowest 9 May, 2025

    35.7 °F

  • Average May

    57.2 °F

  • Highest 15 May, 2025

    93.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.5 °F
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