If you are running the London Marathon this weekend or planning to watch from the side lines here is your guide to the day's weather.
The London Marathon is set to cause travel disruption across the capital this weekend.
Ahead of the London Marathon on Sunday, we look at the best places to watch the action unfold along the 26-mile route.
A 42-year-old man who died after completing the London Marathon yesterday has been named as Robert Berry, organisers confirmed.
A statement from Virgin Money London Marathon reads: "It is with regret that we can now confirm that Mr Robert Berry, aged 42, collapsed at the finish of the London Marathon.
"He was immediately taken to one of our medical facilities where he was treated by four consultants, including one in emergency medicine. He was transferred to St. Mary’s Hospital, where he was pronounced dead.
"The organisers of the Virgin Money London Marathon would like to continue to express their sincere condolences to the family and friends of Mr Berry and our thoughts and deepest sympathies are with them all at this difficult time".
A female athlete from Sierra Leone who had not been seen since finishing this weekend's London Marathon has been found safe and well.
Police said Mami Konneh Lahun, 24, had returned to an address in Greenwich where she had been staying since arriving in the UK last week.
Ms Lahun finished 20th in the race.
The London Marathon was "tinged with sadness" after a man collapsed and died at the finish line, the event's organiser has said.
The 42-year-old man, who has not yet been identified, collapsed immediately after finishing the race but later died in hospital.
"We did very unfortunately have one death of a runner, who had finished and our thoughts are very much with the friends and family of that runner," Hugh Brasher, race director of the Virgin Money London Marathon, said.
"Overall it was a fantastic day, but it always is tinged with a little bit of sadness when something like that happens."
A female competitor from Sierra Leone, who finished 20th in the women's race, has also gone missing.
The London Marathon men's and women's champions have posed with the winning trophy.
Men's winner Wilson Kipsang won the race in a course record time of 2 hours and four minutes - four minutes ahead of home favourite Mo Farah who finished in eighth place.
The women's title was taken by Edna Kiiplogat who finished in a time of 2 hours and 20 minutes.
For one London Marathon runner his greatest challenge was waiting for him at the end of the 26 mile route - proposing to his girlfriend.
Alex Prior, 25, managed to summon the energy to get down on one knee and ask his partner Jess Seldon to marry him after taking a detour at the end of the course.
Miss Seldon, who revealed that she had no idea what was going on, eased the runner's pain when she accepted the "incredible" proposal.
"I tried to get down on one knee, to be traditional, but it was obviously pretty difficult. It was fantastic, almost surreal - so much so that I had to text her at the end and ask if she meant to say 'yes'," the 25-year-old later said.
The Football Association project manager said the two-minute rest stop was "fantastic", but admitted "it ruined my chances of a personal best."
Members of the public have taken to Twitter to express their sympathy to the family of a runner who died after taking part in the London Marathon.
The 42-year-old collapsed at the finish line and later died in hospital.
RIP to the #VMLM2014 runner who sadly died after completing the marathon.
The organisers of the London Marathon have expressed their sadness at the death of a competitor following yesterday's event.
A statement from the Virgin Money London Marathon said:
It is with regret that we have learnt of the death of a competitor in the Virgin Money London Marathon.
A 42-year-old man collapsed after the finish line and although immediate medical attention was provided to the casualty, the fatality was confirmed on his arrival at hospital.
The organisers of the Virgin Money London Marathon would like to express their sincere condolences to the family and friends of the deceased.
A 42-year-old man has died after collapsing at the finish of the London Marathon, organisers have confirmed.
The man, who has not yet been identified, received medical attention immediately after the race but was later pronounced dead at hospital.
It is the first death in the event since 2012 when 30-year-old Claire Squires died after suffering from cardiac failure.
An estimated 36,000 people took part in the 34th London Marathon yesterday.
Police are looking to trace a female athlete who has not been seen since finishing this weekend's London Marathon in 20th place.
Mami Konneh Lahun, 24, from Sierra Leone had been staying at an address in Greenwich since arriving in the UK on April 7.
She was due to fly home later today but did not return to her temporary accommodation after yesterday's race.
Mami has no known links to the UK.
Some interesting figures have come out of today's London Marathon...
2 runners took part from Trinidad and Tobago
3 MPs, Sadiq Khan, Andy Burnham and Ed Balls shared a pre-race photo.
15 runners have competed in every London marathon up until today.
42 kilograms was the weight of the fridge carried on the back of fundraiser Tony Phoenix-Morrison.
78 pubs can be found on the marathon route.
1,357 accountants took part in this year's marathon.
7,000 Marshals were positioned at various points throughout the route.
36,000 people started today's race.
169,682 people applied for a starting place.