Despite the scorching temperatures, some of the storms that swept across the capital last night contained large hail stones.
Robbie Collin posted a picture on Twitter of his living room window, which had been smashed during a thunder storm.
He wrote: "Err, wow. A sudden hail shower in SW London has just SMASHED MY LIVING ROOM WINDOW."
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Large plumes of black smoke could be seen coming from the boat which caught fire while anchored on the River Thames.
London mayor Boris Johnson is under pressure to issue health warnings about his new double decker bus during the heatwave.
It's all over in a split second when you watch on TV. But just look at what happens when a serve at Wimbledon is played in super slo-mo.