Fans visiting London can expect a dry day with good spells of sunshine as they take in some Olympic action.
The sun should reach its peak at around 5pm, where the temperature is expected to hit 25 degrees with a light northerly wind.
In Weymouth, there will be some clouds, mist and fog in the morning that should disperse by midday to make way for bright or sunny spells and light southerly winds.
The weather will be sunny and humid throughout the UK's football venues for gold and bronze-medal matches being played in London, Coventry and Cardiff.
