Lake Bluff Weather Forecast

    • 62
    • 76

    Mostly Sunny

    • 65
    • 78

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 65
    • 74

    Chance Rain Showers

    • 64
    • 79

    Chance Thunderstorms

    • 63
    • 79

    Chance Rain Showers

Today 17 Sep Lake

Mostly sunny. Highs in the lower 80s Inland, but only in the mid 70s near the lake. East Winds 5 to 10 Mph.

Tonight 17 Sep Lake

Mostly clear. Lows around 60. Southeast Winds around 5 Mph, becoming southwest after midnight.

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Lake Bluff Temperature Statistics

September Temperature

Chicago/Waukegan Regional Airport (9.9 miles)

  • Lowest 4 September, 2025

    46 °F

  • Average September

    64.5 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.6 °F
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