Attractions Hermiston Saturday Market Open at McKenzie Park Northeast Oregon Now - Thursday, July 24, 2014 0 991 Share on Facebook Tweet on Twitter Hermiston’s Saturday Market will be open for business from 8 a.m. to 1 p.m. on Saturday, July 26. The market, held at McKenzie Park, will feature vendors selling food, crafts, art and more. Live music will also be performed.