The scorching heatwave will continue into the weekend for London, with temperatures likely to peak close to 33°C on Saturday, in what could be the hottest day of the year so far.  

The UK has seen five days of temperatures above 30°C in September for the first time, with that record likely to continue on Saturday and Sunday.

However, the UK is set to transition to a cooler air mass in the next few days with a slight chance of thunder for some areas, which could lead to further Met Office warnings being issued. 

Here is the hour-by-hour forecast for today

6am: Clear

7am: Sunny day

8am: Sunny day

9am: Sunny day

10am: Sunny day

11am: Sunny day

12pm: Sunny day

1pm: Sunny day

2pm: Sunny day

3pm: Sunny day

4pm: Sunny day

5pm: Sunny day

6pm: Sunny day

7pm: Sunny day

8pm: Clear

9pm: Clear

10pm: Clear

Here is the hour-by-hour forecast for tomorrow

7am: Sunny intervals

10am: Cloudy

1pm: Cloudy

4pm: Cloudy

7pm: Cloudy

10pm: Cloudy

Forecast in full

Saturday

A dry and sunny day for most, staying very warm to hot. A chance of isolated showers breaking out, perhaps heavy in places, particularly over western parts. Maximum temperature 32 °C.

Outlook for Sunday to Tuesday

Predominantly very warm to hot with long sunny spells. Mix of sunny spells and heavy showers or thunderstorms on Monday, with further outbreaks of heavy rain on Tuesday.

Met Office Chief Meteorologist Paul Gundersen said: “Although much of the UK will see high temperatures and sunny skies continue on Saturday, in what has a possibility of being the hottest day of the year so far, there’s also the potential for some thunderstorms, which has resulted in a Yellow Warning being issued for much of central England and parts of east Wales. 

“Temperatures will begin to trend downwards from Saturday in the far northwest of Scotland, with a cold front gradually moving south through the weekend, bringing with it the risk of some heavy and thundery downpours on Sunday as well.

"However, the southeast will hold on to the high temperatures the longest and could still reach 32C on Sunday.”