Frederic J. Brown /AFP / Getty Images Some economists expect inflation to peak in December and then fade in 2026 as tariff-related price hikes cease. Key Takeaways Forecasters expect inflation to accelerate in the last part of the year as more companies pass the costs of President Donald Trump's tariffs on to customers. A survey of professional forecasters called for a the Consumer Price Index to rise 3% over the year in the fourth quarter, an acceleration from 2.9% in August. Some economists expect ...