'Get out your jumpers and jackets,' Londoners told as temperature to plunge this week

Temperatures across UK will significantly decrease starting from late October, marking an end to unusually warm autumn weather. By Wednesday, afternoon highs range from 11C in northern Scotland to 17C in southern England—a stark contrast to recent summer-like conditions with temperatures reaching up to 28C. If no part of the UK reaches 20C this week, it would be the first time since June 11th. The Met Office predicts cooler and more changeable weather as systems move in from the Atlantic, bringing rain and showers, particularly heavy in northwest areas. London will experience a high of 23C on Monday but drop to around 15C by Wednesday, staying cool through the weekend with temperatures averaging around 18C. Gardeners note this year's later-than-usual autumn foliage due to prolonged warmth.