Great Lakes Weather Forecast

    • 56
    • 66

    Mostly Cloudy

    • 55
    • 66

    Slight Chance Rain Showers

    • 54
    • 61

    Partly Sunny

    • 57
    • 66

    Mostly Cloudy

    • 61
    • 72

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

Today 13 Oct Lake

Mostly cloudy. A chance of Showers late in the Morning, then a slight chance of Showers early in the afternoon. Highs in the upper 60s. South Winds around 5 Mph, becoming southeast in the afternoon. Chance of precipitation 50 percent.

Tonight 13 Oct Lake

Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Lakes Temperature Statistics

October Temperature

Chicago/Waukegan Regional Airport (7.5 miles)

  • Lowest 9 October, 2025

    39.9 °F

  • Average October

    65 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.7 °F
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