Bolingbrook experiences a Humid Continental climate (Köppen classification: Dfa), characterized by four distinct seasons.
Summers are typically warm to hot and humid, with average high temperatures in July peaking around 84°F (29°C). Winters are cold and snowy, with January lows averaging 16°F (-9°C). The village receives approximately 39 inches of rain and 30 inches of snow annually.
Spring and autumn are generally mild and pleasant. The best time to visit is from May through October, when the weather is ideal for utilizing the area's extensive park system, outdoor shopping venues, and golf courses. Like much of the Midwest, Bolingbrook can occasionally experience severe thunderstorms and is located in a region where tornadoes are possible, though rare.