AAP: Protracted warm, dry weather in NSW has prompted speculation among meteorologists that climate change could be to blame. After a week of temperatures in the high-20s to mid-30s, Sydney is set to fry under scorching 40-plus temperatures at the weekend, with extreme fire danger in the city’s west. Senior NSW Bureau of Meteorology climatologist Perry Wiles has not ruled out a link between climate change and the spate of hot weather. “Climate change is not only increasing …