Local businesses that rely on summer weather and tourists are preparing for the fall and winter months ahead. Stream San Diego News for free, 24/7, wherever you are with NBC 7. WATCH HERE WATCH HERETourists and their purchases help fuel many businesses in San Diego. The anticipated slowdown comes after positive data in Fiscal Year 2024, when 32 million people visited San Diego with a total economic impact of $14.8 billion, according to the San Diego Tourism Authority. Experts say that 2 million more people visited San Diego than the prior year.