Temperatures are expected to hit 31C Monday before gradually easing as the week goes on, according to the Met Office. ThursdayThursday is looking to be the coolest day of the working week, with the temperature expected to reach around 22C. After a very hot start to the week, the Met Office forecasts that temperatures will gradually ease throughout. London is expected to remain predominantly dry with plenty of sunshine, except for Thursday which is forecasted to be cloudier. Overall, the capital is set for another warm summer week, with temperatures likely to stay above average for early August.