Kankakee River Basin Weather Forecast

    • 62
    • 85

    Decreasing Clouds

    • 57
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 71
    • 87

    Partly Sunny

    • 65
    • 89

    Slight Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

Today 5 Sep Newton

Mostly sunny. A slight chance of Showers and Thunderstorms early in the morning. Highs in the upper 80s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 5 Sep Newton

Mostly clear. Lows in the lower 60s. Northeast Winds 5 to 10 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 1 September, 2026

    68 °F

  • Average September

    80.4 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Rensselaer Jasper County Airport (17.4 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61 °F
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