Buffalo Grove Weather Forecast

    • 41
    • 59

    Sunny

    • 46
    • 64

    Chance Rain Showers

    • 42
    • 55

    Chance Rain Showers

    • 37
    • 52

    Partly Sunny

    • 36
    • 54

    Mostly Sunny

    • 40
    • 55

    Partly Sunny

    • 44
    • 57

    Partly Sunny

Today 19 Oct Lake

Partly cloudy. Breezy. Temperatures in the mid 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Oct Lake

Clear. Lows around 40. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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Buffalo Grove Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 9 October, 2025

    43 °F

  • Average October

    63.3 °F

  • Highest 3 October, 2025

    89.1 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.6 °F
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