<sod > Greenwich Park was packed with people sitting on the grass, eating picnics and enjoying basking in the sun today It has already hit 68F before midday in London, pictured, but the temperature is set to climb further until around 5pm There was a rush to the coast today, with beaches usually deserted in April filling up with people enjoying the sun after forecasters predicted the hottest day of the year.< eod>< sod >  London enjoys the hottest day of the year yesterday, with temperatures peaking at 25C in the South East Greenwich Park was packed with people sitting on the grass, eating picnics and enjoying basking in the sun yesterday It has already hit 68F before midday in London, pictured, but the temperature is set to climb further until around 5pm There was a rush to the coast yesterday, with beaches usually deserted in April filling up with people enjoying the sun after forecasters predicted the hottest day of the year.< eod>