Another cold spell is expected in Britain, with temperatures forecast to drop below freezing, including in London. The country is bracing for the possibility of lows of -12C in some areas. Although ice and snow warnings have not been issued for London and the south, the BBC forecasts that certain parts of the capital could reach as low as -4C on Tuesday evening. The Met Office predicts that temperatures in London will hover around 0C on Tuesday morning and drop to -1C on Wednesday morning, leading to another chilly start to the day.