San Francisco Sun

The average cost for a gallon of premium gas in or near zip code 94118 for the week of June 15-21 is $3.39, according to GasBuddy.com. The lowest price is $3.39.

In greater San Francisco, the average price is $3.12 and the lowest price is $2.55. Trends show the price as down.

The average price of unleaded gas in the state is $2.994 per gallon. The previous week, the state average was $2.952 per gallon. The average has increased since last month, when it was $2.782 per gallon – a 21.2 cent difference.Last year, the average price for a gallon of gas was $3.91.

Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.