South Wilmington Weather Forecast
- 65
- 79
Mostly Cloudy
- 75
- 87
Slight Chance Thunderstorms
- 77
- 92
Mostly Sunny
- 76
- 94
Mostly Sunny
- 76
- 95
Mostly Sunny
- 75
- 94
Partly Sunny
Today 27 Jun Grundy
Mostly cloudy. Highs in the upper 70s. East Winds 5 to 10 Mph.
Tonight 27 Jun Grundy
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. East Winds 5 to 10 Mph.
South Wilmington Temperature Statistics
June Temperature
Greater Kankakee Airport (23 miles)
Lowest 3 June, 2026
50 °FAverage June
69.7 °FHighest 6 June, 2026
91.4 °F
Climate (2021–2026)
Greater Kankakee Airport (23 miles)
Average Low 2021–2026
43 °FAverage 2021–2026
52.8 °FAverage High 2021–2026
62.6 °F