O'Fallon, IL Swimming Pools: Public Swim Times & Pool Guide
Updated Nov 1, 2026 · from official pool websites.
0 year-round public pools listed in O'Fallon, plus 1 seasonal.
Seasonal pools in O'Fallon (1, not in year-round counts)
Outdoor or summer-only pools. Check the operator for opening dates.
- O'Fallon Aquatic Center · Outdoor · Seasonal · Times: see official schedule · Temp not published