Gasoline Prices are Up08/17/2026GasBuddy is saying average gasoline prices in Fort Wayne have risen 20 cents per gallon in the last week, averaging $3.65/g today, Prices in Fort Wayne are 28 cents per gallon higher than a month ago and stand 37 cents per gallon higher than a year ago. The national average price of gasoline has risen almost 8 cents per gallon in the last week, averaging $4.02/g today. The national average is 93 cents per gallon higher than a year ago.