Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle The South East potentially reaching the mid-20s by the bank holiday weekend. (iStock) Britain is forecast to experience a significant warming trend, with temperatures potentially soaring into the mid-20s, just in time for the late May bank holiday weekend. This optimistic outlook follows a week of unseasonal weather , characterised by blustery showers, a noticeable chill, and temperatures widely below average, with some areas experiencing single-digit figures. Met Office meteorologist Annie Shuttleworth predicts that by the end of next week and the start of the bank holiday weekend (around May 25), temperatures could be above average, possibly reaching the low 20s for some regions.…