Big Oaks Weather Forecast

    • 64
    • 83

    Partly Sunny

    • 64
    • 81

    Slight Chance Thunderstorms

    • 65
    • 79

    Chance Rain Showers

    • 65
    • 83

    Chance Thunderstorms

    • 63
    • 81

    Chance Rain Showers

    • 61
    • 77

    Chance Rain Showers

Today 18 Sep Central Cook

Partly cloudy through mid Morning, then becoming mostly sunny. Highs in the mid 80s Inland, but only around 80 near the lake. South Winds around 5 Mph, becoming east in the afternoon.

Tonight 18 Sep Central Cook

Mostly clear early in the Evening, then becoming partly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Big Oaks Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (5 miles)

  • Lowest 7 September, 2025

    46.9 °F

  • Average September

    66.3 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (5 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.7 °F
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