There has been a "major increase in participation" in sport since London 2012, according to Sport Wales.
Welsh athletes won a record seven medals at the Olympics and 15 at the Paralympics last summer, and the organisation which oversees sport here says there has been a legacy left.
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The heavy showers will ease during the first part of tonight, leaving a dry night with mist in places.
A 1950s pin-up girl from the Vale of Glamorgan has returned to the spot where she won the nation's hearts.
The band play the Liberty Stadium on Saturday night as part of their 'Everything Must Go' 20th anniversary tour.