The day thousands have been waiting for is finally here, as the capital welcomes runners and spectators taking part in the London Marathon. 

With months of training and planning on how you're going to take on the 26-mile route, there is one thing no one can plan. 

As the weather is uncontrollable and could see you running in the blistering heat or non-stop downpours of rain. 

But so you don't get caught out and know what to expect, we have the full hour-by-hour breakdown of the day's weather according to the Met Office. 

London Marathon hour-by-hour weather forecast

Here is the full breakdown of the weather for the London Marathon.

  • 7am-  8C, 60% chance of rain, 13mph wind, 89% humidity
  • 10am- 10C, 10% chance of rain, 16mph wind, 79% humidity
  • 1pm-  12C, 50% chance of rain, 15mph wind, 67% humidity
  • 4pm-  13C, 40% chance of rain, 17mph wind, 72% humidity
  • 7pm-  11C, 40% chance of rain, 15mph wind, 72% humidity
  • 10pm- 9C, 10% chance of rain, 14mph wind, 79% humidity

You can check the full weather forecast via the Met Office.