The Pontypridd v Carmarthen Quins Premiership tie due to have been played this afternoon has been postponed.
A morning pitch inspection at Sardis Road, conducted by club and match officials, deemed that the playing surface was frozen and unsafe.
The Ladies Day event at Sardis Road will carry on as scheduled in the Grandstand Lounge, with the Six Nations games between France and Italy and Scotland and England also being screened in the Clubhouse Bar.
GB7s women left their England base to train in Wales this week. Olympic Games hopeful Rachael Burford gives WRU TV's Graeme Gillespie her thoughts on Welsh teammate Jasmine Joyce - a 'one touch wonder'
The GB7s women's squad is currently training at Wales' Centre of Excellence where assistant coach Richie Pugh tells WRU TV's Graeme Gillespie some 'tough calls' will have to be made when it comes to finalising the 12 spots for Rio's Olympic Games.
Wales U20's Billy McBryde is looking forward to starting his first game against New Zealand this afternoon in the World Rugby U20 Championship where his side are looking to gain revenge from last week's pool defeat to the Kiwis.