Washington Diesel prices, liter

We show diesel price data for Washington from 03-Nov-2025 to 09-Feb-2026. The average diesel price during that period is 1.08 per liter with a minimum of 1.02 on 05-Jan-2026 and a maximum of 1.13 on 10-Nov-2025. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Washington every week.