Kankakee River Basin Weather Forecast
- 59
- 85
Mostly Sunny
- 63
- 89
Slight Chance Thunderstorms
- 61
- 83
Chance Rain Showers
- 62
- 79
Chance Thunderstorms
- 61
- 77
Chance Rain Showers
- 61
- 75
Chance Rain Showers
- 58
- 74
Partly Sunny
Today 18 Sep Newton
Sunny. Highs in the mid 80s. Light and variable Winds, becoming east around 5 Mph in the afternoon.
Tonight 18 Sep Newton
Clear. Lows around 60. East Winds around 5 Mph.
Kankakee River Basin Temperature Statistics
September Temperature
Rensselaer Jasper County Airport (17.4 miles)
Lowest 8 September, 2025
37.4 °FAverage September
61 °FHighest 14 September, 2025
84.2 °F
Climate (2020–Present)
Rensselaer Jasper County Airport (17.4 miles)
Average Low 2020–2025
41.3 °FAverage 2020–2025
50.8 °FAverage High 2020–2025
60.3 °F