3 listings in Niagara Falls, 2 of them farmers markets. 2 have a market day and hours from a public register or the market's own website, and 1 appears in the USDA SNAP retailer register. Market days in Niagara Falls: Monday (1), Thursday (1), Friday (2), Saturday (1), Sunday (1).
Few Niagara Falls listings have a schedule or SNAP authorization we could source. Sanborn, 7 miles away, has 8 listings with more sourced detail; see also all of New York.