A new and distinct peach variety of Prunus persica named `NJF15` is provided. This variety is distinguished from other peach varieties by its unique combination of large, showy, light pink flowers, flat fruit that ripen in early midseason with mottled red over color on a bright yellow-orange ground color, clingstone fruit with a juicy, nonmelting texture and sweet, spicy flavor, firm fruit that retain their firmness well and trees with regular, heavy production of fruit.