Bourbonnais Weather Forecast

    • 72
    • 82

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 61
    • 80

    Slight Chance Thunderstorms

    • 65
    • 81

    Partly Sunny

    • 62
    • 81

    Chance Rain Showers

Today 15 Aug Kankakee

Showers with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms early in the afternoon. A slight chance of Showers late. Locally heavy rainfall possible in the morning. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of precipitation near 100 percent.

Tonight 15 Aug Kankakee

Mostly cloudy. A slight chance of Showers until early morning. A slight chance of Thunderstorms after Midnight, then a chance of Showers and Thunderstorms late. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bourbonnais Temperature Statistics

August Temperature

Greater Kankakee Airport (7.5 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    73.5 °F

  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Greater Kankakee Airport (7.5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.6 °F
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