The United Kingdom issues a "red extreme heat warning" as temperatures are predicted to reach a record 41 C in parts of England. Wales reports a record temperature of 37.1 C near the town of Hawarden, Flintshire, and the island of Jersey reports a record temperature of 37.9 C.
The Cabinet Office announces that eight British towns will become cities as part of Queen Elizabeth II's Platinum Jubilee. The new cities are Milton Keynes, Colchester, and Doncaster in England, Dunfermline in Scotland, Wrexham in Wales, and Bangor in Northern Ireland, as well as Stanley, Falkland Islands, and Douglas, Isle of Man, which become the first towns in the British Overseas Territories and the Crown Dependencies, respectively, to receive city status.
Lockdown restrictions are relaxed in England, Northern Ireland, Scotland, and Wales as the number of cases continues to reduce, with non-essential shops, pubs, gyms, restaurants, hairdressers, community centres, libraries, and theme parks permitted to reopen. Domestic holidays are also permitted again in England with members of the same household. A "stay at home" order is ended in Northern Ireland, and secondary school pupils from years 8–11 return to school.
Tata Steel is to cut 1,050 jobs in the United Kingdom, with the majority going in South Wales. The Indian multinational steel-making company announced there will be 750 job losses at its Port Talbot Steelworks in Port Talbot, Wales while another 300 jobs will go at its plants in Corby and Hartlepool in England.
The Met Office issues a storm warning for the entire United Kingdom, with Scotland, Wales and Northern Ireland reportedly the worst-affected areas. Two people are later reported killed in separate weather-related incidents.
United Kingdom - Sarah's Law, a scheme which allows parents to check if someone with access to their children is a sex offender, will be extended to cover the whole of England and Wales by Spring 2011 after proving successful in four pilot areas.