Climbing Housing Costs Could Prop Up Inflation for a While

Rents and other shelter costs are emerging as a major driver of overall consumer inflation, keeping it high at a time when many other sources are starting to ease.

Economists expect housing inflation to strengthen further before cooling off in the coming months, but are unsure of when relief will appear. This creates another challenge for the Federal Reserve as it raises interest rates to reduce price pressures.

Overall annual inflation eased to 8.3% in August from 8.5% in July, according to the Labor Department’s consumer-price index. That reflected declines from the month before in prices for items such...