Washington Gasoline prices, liter

We show Octane-95 gasoline price data for Washington from 05-Jan-2026 to 13-Apr-2026. The average gasoline price during that period is 1.23 per liter with a minimum of 1.06 on 12-Jan-2026 and a maximum of 1.47 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.