Wisconsin Gasoline prices, liter

We show Octane-95 gasoline price data for Wisconsin from 29-Jun-2026 to 05-Oct-2026. The average gasoline price during that period is 1.16 per liter with a minimum of 1.06 on 06-Jul-2026 and a maximum of 1.28 on 21-Sep-2026. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Wisconsin every week.