Kankakee River Basin Weather Forecast

    • 57
    • 86

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 88

    Slight Chance Rain Showers

    • 59
    • 85

    Chance Thunderstorms

    • 58
    • 79

    Chance Rain Showers

Today 15 Sep Newton

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

Tonight 15 Sep Newton

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kankakee River Basin Temperature Statistics

September Temperature

Rensselaer Jasper County Airport (17.4 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    59.6 °F

  • Highest 12 September, 2025

    82.4 °F

Climate (2020–Present)

Rensselaer Jasper County Airport (17.4 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    60.3 °F
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