Kenley in London had a record overnight minimum temperature of 25.8C on Monday and the mercury is expected to hit 40C on Tuesday.
The author is Adam Vaughan.
As a heat wave blanketed large parts of the country, closing schools and putting pressure on hospitals, the UK recorded its warmest night on record.
The lowest minimum temperature in the UK on Monday was 25.8C in Kenley, smashing the previous record of 23.9C inBrighton in 1990.
The 40C mark may be broken in the UK on Tuesday. According to scientists, a UK temperature of 40C would be extremely unlikely without climate change, and that every heatwave now has been made more likely and more intense by global warming.
Humans are to blame for the temperature being as high as they are. Friederike Otto says that they are certain about this.
There are forest fires in France, Greece, Portugal and Spain. Many parts of those countries were warned of a very extreme danger of fire, with warnings extended as far north as the Netherlands and the UK. Hundreds of deaths have been blamed on the heat and thousands of people have been evacuated.
Government ministers from more than 40 countries are in Berlin for annual climate change talks, discussing help for low income countries and how to cut carbon emissions faster. The UN secretary general said that countries were not doing enough to tackle climate change. We have to make a decision. He said in a statement that it was either collective action or collective suicide.
Wales had a record high of 37.1C on July 18th. People were encouraged to stay out of the sun during the hottest part of the day. The UK government has said there is no public health reason for school closings.
According to Hannah Cloke at the University of Reading, severe heatwaves will get worse. Poor design of our buildings and cities is intolerable. Reducing overheating, shading trees, building for cooling and providing public cooling spaces are some of the things that need to be considered.
Many people don't get enough sleep during the hot summer months. There is evidence that sleep deprivation can cause mental health problems.
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