Mundelein Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 52
    • 70

    Mostly Cloudy

    • 51
    • 73

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 50
    • 68

    Partly Sunny

Today 23 Oct Lake

Mostly sunny. Highs in the lower 70s Inland, but only in the mid 60s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 23 Oct Lake

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mundelein Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.3 °F

  • Highest 12 October, 2026

    88.6 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
Get WillyWeather+ to remove ads