April in Bolingbrook averages a daily high of 16.1°C with nights around 4.5°C. Expect roughly 12.4 wet days totalling 105.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bolingbrook is August–September.
Based on ROMEOVILLE WEATHER FORECAST OFFICE, IL US (10.6km), 1995–2024. 27 years of April data.