Onarga Weather Forecast
- 69
- 92
Mostly Cloudy
- 62
- 80
Chance Rain Showers
- 69
- 83
Rain Showers Likely
- 68
- 87
Thunderstorms Likely
- 68
- 84
Chance Thunderstorms
- 71
- 85
Chance Thunderstorms
- 73
- 92
Slight Chance Thunderstorms
Today 16 Jul Iroquois
Mostly cloudy late in the Morning, then becoming partly cloudy. Isolated Showers late in the morning. Scattered Showers and Thunderstorms late in the afternoon. Hot and humid. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon. Chance of precipitation 40 percent.
Tonight 16 Jul Iroquois
Mostly cloudy. A slight chance of Showers late. Lows in the upper 60s. Southwest Winds around 10 Mph, becoming west after midnight. Chance of precipitation 20 percent.
Onarga Temperature Statistics
July Temperature
Greater Kankakee Airport (25.5 miles)
Lowest 8 July, 2025
61.2 °FAverage July
76.6 °FHighest 5 July, 2025
91.2 °F
Climate (2020–Present)
Greater Kankakee Airport (25.5 miles)
Average Low 2020–2025
42.4 °FAverage 2020–2025
52.1 °FAverage High 2020–2025
61.7 °F