Johnson Airport Weather Forecast

    • 57
    • 86

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 59
    • 85

    Slight Chance Thunderstorms

    • 58
    • 79

    Chance Rain Showers

Today 15 Sep Kankakee

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 15 Sep Kankakee

Clear. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Johnson Airport Temperature Statistics

September Temperature

Greater Kankakee Airport (17.4 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    62.3 °F

  • Highest 12 September, 2025

    84.2 °F

Climate (2020–Present)

Greater Kankakee Airport (17.4 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.7 °F
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