Foristell, Missouri experiences a humid continental climate, characterized by hot summers and cold winters with moderate rainfall throughout the year. The town is situated in the Missouri River Valley, with the Mississippi and Missouri Rivers nearby. Due to this, the hydrology constituents of the area are rich, including streams and wetlands. The town is home to a number of outdoor recreation opportunities, including the 15-acre Foristell City Park, which offers fishing, hiking trails, and picnic areas. The nearby August A. Busch Memorial Conservation Area offers hunting, fishing, and hiking, while the Katy Trail State Park offers biking and walking trails. Additionally, the Cuivre River State Park offers camping, fishing, and hiking opportunities.