The UK is on course for its hottest summer on record, with only average conditions needed for the rest of August to beat the record set just last year, the Met Office said.
Some parts of the country face a fifth heatwave of the summer, with amber “extreme heat” warnings in place for parts of England on Thursday when temperatures could hit 38C in some spots.
Nearly three quarters of England and the whole of Wales are in drought, after a record dry July and very dry start to August has combined with high temperatures to put pressure on water resources for households, agriculture and the environment.
Provisional statistics from the Met Office show that the mean temperature for the summer so far, from June 1, stands at 16.48C – which is 1.88C above the 1991 to 2020 average.
To equal the 16.12C in 2025, the UK’s warmest summer on record, the rest of August would only need to be 0.21C below the long-term average, and any warmer than this would establish a new record for the country, the Met Office said.
And for England and Wales, which have seen temperatures more than 2C above average so far this summer, it is even more likely that June to August 2026 will be record-breaking.
And in a summer that has been marked by extreme weather, temperatures are to spike again this week.
The Met Office has issued a rare amber warning for extreme heat for London and parts of the South East, East Midlands, East of England, West Midlands and South Yorkshire from 9am to midnight on Thursday as temperatures are to climb to 37C or 38C in some places.
Met Office chief forecaster Chris Bulmer said: “While the peak heat will be more short-lived than recent heatwaves, temperatures widely into the mid-30s Celsius on Thursday brings the potential for impacts for some, which is why a Met Office warning has been issued.
“High pressure is now becoming dominant and temperatures will build day by day. Southerly and south-easterly winds will also tap into the hot conditions over Europe which helps develop this further notable heat in what has been a hot and dry summer so far for many in the south of the UK.”
Amber health heat alerts are already in place for most of England including the Midlands, South East, North West and South West, and a yellow alert is in force for the North East from Tuesday morning until Friday evening.
Officials have urged people to take simple steps to stay safe, such as drinking plenty of water, checking on vulnerable friends and family, and avoiding the sun at the hottest part of the day.
The UK is battling with the growing spectre of worsening extreme weather fuelled by climate change, which is mostly driven by burning fossil fuels for power plants, vehicles, home heating and industry.
Record-breaking heatwaves in May and June led to the deaths of more than 2,800 people, while parts of the country were hit with further heatwaves last month as England and Wales endured their driest July since records began in 1836.
The Environment Agency said 71.3% of England is now experiencing “flash drought”, as a dry start to August followed the country’s driest July on record.
Flash drought is one which develops very quickly because of a combination of very low rainfall and high temperatures.
Fire chiefs have warned of sustained fire risk in the hot, dry conditions, with July the busiest on record for wildfires and firefighters responding to 185 wildfires in the first 10 days of August.
Firefighters have responded to 966 wildfires across England and Wales this year, including 185 in the first 10 days of August alone, while July was the busiest month on record for wildfires with 458 incidents, the National Fire Chiefs Council (NFCC) said.
The NFCC said prolonged periods of hot dry weather can increase the risk of wildfires and put pressure on fire and rescue services, as it urged people to take steps such as avoiding the use of disposable barbecues, taking litter home and disposing of cigarettes safely to reduce fire risk.
Crews from Hampshire and Isle of Wight Fire and Rescue Service have battled a fire in the New Forest for two days, which started after a van caught fire on the A31 near Ringwood on Sunday.
The area hit by the blaze is protected heathland and home to a number of rare species, according to the New Forest National Park Authority.
Elsewhere, water stations opened in Ilford, east London, and Chigwell, Essex, after burst water mains left homes and businesses with no water or low water pressure, Thames Water said.
The affected areas are: E10, E11, E17, E18, E4, IG10, IG2, IG4, IG5, IG6, IG7, IG8, IG9 and RM4.
Thames Water said: “Our teams continue to work in the extreme heat to fix the multiple broken pipes in the area. We’re sorry to those who are still affected.
“Whilst progress is being made, it’s taking longer than normal to fix the broken pipes as often excavations are needing to be extended.
“We’re still working on the repairs at both Chigwell Road and Daisy Road, and extra teams are in the area to carry on the work. We’ll be working 24/7 until things are back to normal.
“To enable the repair, some currently not affected may notice they lose their supply for a short period. Once completed, this will mean a larger area’s water will begin to flow again.”
Meanwhile, East Midlands Railway (EMR) said that regional services between Sheffield and Liverpool will be suspended on Wednesday and Thursday.
It also said that regional services between Nottingham and Worksop and Nottingham and Leicester will be suspended from noon on Thursday.
Philippa Cresswell of EMR, said: “The hot weather means we’ll need to make some temporary changes to our services to keep the railway operating safely.
“If you do need to travel and the journey is essential, we’d recommend travelling before midday and checking your journey before setting off.
“We appreciate these changes may inconvenience some customers and we’d like to thank everyone for their patience and understanding while we work to keep people moving safely.”
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