Weather forecast in London for a heat wave hour by hour, as experts expect it to be the hottest day of the year

Large parts of the UK, including London, are set to see their hottest temperatures so far this year, with weather experts predicting a mini heatwave from Wednesday (September 6) is set to break September records. The Met Office has provided an hour-by-hour temperature breakdown with the day starting with a warm 18C at 7am. Temperatures will continue to rise rapidly throughout the day, with the temperature at 9am reaching 20°C.

At 10am the temperature should be 22°C, then by noon temperatures should jump to 26°C and continue to rise every hour until they reach 31°C at around 5pm and will not really cool down throughout the evening, with Forecast an uncomfortable 24°C at 11 p.m. The UK is set to be hotter than the Spanish island of Ibiza – which is typical now that the school holidays are over and many people are on their summer holidays.

The Met Office is monitoring a number of heat records for September, as temperatures could reach 33C this week, with most parts of the country seeing temperatures above 30C. The UK’s Health Security Agency has upgraded its heat alert to yellow due to high temperatures expected until 9pm on 10 September.

Read more: The pretty seaside town is ranked as the second coolest place to live in the UK, and these days it’s packed with affluent Londoners

Wednesday forecast hour by hour

7am – 18C

8am – 18C

9am – 20C

10 am – 22 ° C

11 am – 24 ° C

12 noon – 26 ° C

1 pm – 27 ° C

2pm – 29C

3 pm – 30°C

4 pm – 30°C

5pm – 31C

6 pm – 30 degrees Celsius

7pm – 28C

8pm – 27C

9 pm – 26 ° C

10 pm – 25 ° C

11 pm – 24 ° C

The Met Office said: “A very warm start with any low cloud or fog quickly clearing in the morning to leave another nice, dry and hot day with lighter winds. The maximum temperature was 32C.

“Tonight: The weather will remain very warm and humid in the evening and overnight. Low clouds may return to the eastern coasts and some patches of fog and mist are possible inland. The minimum temperature is 19°C.”

The BBC Weather Service also predicted temperatures would peak at around 31 degrees at 16:00 this afternoon. They did mention that it was going to be a “hot and humid day”.

Tom Morgan, a meteorologist at the Met Office, told the media: “A lot of people would probably think the summer that just ended was a bit unexceptional and very disappointing if you had plans in the UK.

“This week looks likely to see the hottest temperature of the year so far. Today will be the third day that some locations will experience three consecutive days of heatwave conditions. By the end of the day, officially, there will be a heatwave, and it almost certainly will be tomorrow.” .

The heat wave is expected to continue throughout the week, as temperatures will not fall below 27 degrees. The sunshine is expected to end on Monday, September 11th with light rain expected.

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