Britain is expected to get hotter, with temperatures expected to reach 32 degrees Celsius (89.6 degrees Fahrenheit).
Both set records United Kingdom with Wales On Sunday, the mercury content is expected to be higher on Monday.
In England on Sunday, 31.6C (88.88F) was recorded Heathrow It surpassed the record 30.3C (86.54F) set at Elm Cotton, Derbyshire on Saturday.
Wales recorded 30.2C (86.36F) Cardiff Compared with the 29.6C (85.28F) reached by Usk, Monmouth County on Saturday.
The Met Office said that the temperature in London and southeastern England could climb to a maximum of 32 degrees Celsius on Monday, adding that the possibility of isolated heavy showers in the afternoon is small.
Long-term forecasts for next weekend indicate that showers or showers may occur in many areas, and the temperature will gradually fall back to near normal levels.
The forecaster also warned that there might be some heavy rain or thunderstorms.
Thousands of people go to the beach on weekends and the roads along the coastal route are busy.
Saturday is the hottest day of the year in all four countries and also the hottest day on record in Northern Ireland. Ballywatticock in Co Down recorded 31.2C (88.16F), exceeding the previous highest temperature of 30.8C (87.44F). ) ), reached on July 12, 1983 and June 30, 1976.
