Rock Run County Forest Preserve Weather Forecast
- 56
- 79
Partly Sunny
- 63
- 83
Chance Thunderstorms
- 49
- 74
Rain Showers Likely
- 47
- 68
Partly Sunny
- 55
- 70
Rain Showers Likely
- 49
- 72
Rain Showers
- 46
- 63
Mostly Cloudy
Today 22 Apr Northern Will
Becoming partly cloudy. Highs in the upper 70s. West Winds 5 to 10 Mph.
Tonight 22 Apr Northern Will
Partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph, becoming south after midnight.
Rock Run County Forest Preserve Temperature Statistics
April Temperature
Joliet Regional Airport (1.2 miles)
Lowest 7 April, 2026
31.5 °FAverage April
54.7 °FHighest 17 April, 2026
83.8 °F
Climate (2021–Present)
Joliet Regional Airport (1.2 miles)
Average Low 2021–2026
43.6 °FAverage 2021–2026
53.8 °FAverage High 2021–2026
63.4 °F