 And we also have at WDEL.com area cooling stations and more advice on coping with this extreme heat, WDEL.com. Gas prices in the Wilmington area as well as nationally remain in the mid $3 range with small price fluctuations both up and down. GasBuddy.com says the average cost of a regular gallon of gas locally was $3.52 last week, a six cent increase over the prior week, eight cents higher than this time of last year.