Hour by hour London weather forecast as voters cast their ballots in local elections

One of the factors that affects the level of turnout during polling days is the weather. Today has not started well in the capital, with thunder and lightning overhead in the early hours.

A yellow weather warning is active until 10am. Experts have warned of spray and sudden flooding leading to 'difficult driving conditions' and some road closures.

In addition, there is a 'slight chance' that power cuts could occur and other services to some homes and businesses could be lost. Further, there is a 'small chance' that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds.

READ MORE: London local elections 2024 - when results will be announced

But, the Met Office predicts that today is set to bring pleasant temperatures later on. From 7am - when polling stations open - until 9am, it is set to be 12°C with grey clouds overhead.

Between 11am and 3pm, predictions suggest that the mercury will climb from 13°C to today's high of 17°C.

However, at 4pm, there is a 50 per cent chance of rain. At 5pm, a 40 per cent chance.

This drops to 10 per cent at 6pm, but then jumps to 70 per cent at 7pm.

At 8pm, experts suggest that there will be a 50 per cent chance of precipitation Then, from 9pm until 10pm - when polling places shut - there is expected to be a 20 per cent chance.

From 5pm, the temperature is set to start to drop from, 17°C to 12°C at 10pm.

Where to vote

Londoners will need to be registered to vote and produce a valid form of photo ID once they get to their polling station. Polling cards with details of where you are to vote were delivered some weeks ago.

But, if you have misplaced yours, do not fear.

The Electoral Commission has a handy tool which tells you where your polling station is. You can access it here.

London Elects has a similar tool. You can use that here.

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