Natural-gas futures fell more than 3% on Friday after weather forecasts turned cool through the end of August, capping a season of tepid summer temperatures that have tempered demand for the fuel. The front-month September contract settled down 13 cents, or 3.3%, at $3.776 a million British thermal units on the New York Mercantile Exchange, its lowest level since July 28. Prices slid early in the trading session and remained in the red the rest of the day after new forecasts reversed earlier expectations for a belt of elevated temperatures over the Eastern Seaboard in the waning weeks of August. If the end-of-summer outlook holds true, it will serve as a fitting coda to a mild season that has kept demand in check and has allowed producers and utilities to rebuild inventories badly depleted by the severe winter. With Friday’s slide, natural-gas futures prices have lost […]