Washington Diesel prices, liter

We show diesel price data for Washington from 06-Apr-2026 to 13-Jul-2026. The average diesel price during that period is 1.56 per liter with a minimum of 1.35 on 06-Jul-2026 and a maximum of 1.72 on 06-Apr-2026. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Washington every week.