Wisconsin Diesel prices, liter

We show diesel price data for Wisconsin from 20-Jul-2026 to 26-Oct-2026. The average diesel price during that period is 1.47 per liter with a minimum of 1.25 on 20-Jul-2026 and a maximum of 1.67 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.