Kilbourn Park Weather Forecast

    • 74
    • 92

    Chance Thunderstorms

    • 68
    • 82

    Mostly Cloudy

    • 66
    • 79

    Partly Sunny

    • 67
    • 80

    Mostly Cloudy

    • 72
    • 84

    Chance Rain Showers

    • 71
    • 87

    Chance Rain Showers

Today 4 Sep Central Cook

Partly cloudy late in the morning then clearing. A slight chance of Thunderstorms with isolated Showers late in the morning. Hot. Highs in the lower 90s. Northeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph in the afternoon. Chance of precipitation 20 percent. Heat index Values up to 103.

Tonight 4 Sep Central Cook

Partly cloudy. A slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after Midnight, then a slight chance of Showers and Thunderstorms late. Humid with Lows in the mid 70s. West Winds around 5 Mph. Chance of precipitation 30 percent.

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Kilbourn Park Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (8.7 miles)

  • Lowest 1 September, 2026

    77.6 °F

  • Average September

    86.4 °F

  • Highest 1 September, 2026

    95.6 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (8.7 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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