3 listings in Yamhill, 1 of them farmers markets. 1 has a market day and hours from a public register or the market's own website. Market days in Yamhill: Monday (1), Tuesday (1), Wednesday (1), Thursday (1), Friday (1), Saturday (1), Sunday (1).
Few Yamhill listings have a schedule or SNAP authorization we could source. Cornelius, 12 miles away, has 12 listings with more sourced detail; see also all of Oregon.