After a gripping opening weekend in the BKT United Rugby Championship, this next slate of games has a lot to live up to.Last weekend's six games were decided by a total of just 12 points, although a similarly close round of games appears unlikley, with some larger point spreads expected in Round 2.Leinster begin life at their temporary home of the Aviva Stadium, and welcome the Dragons to Dublin on Friday evening, while Munster will be hoping to avoid a banana skin away to Zebre on Saturday afternoon.Ulster are the first Irish province to tour South Africa, and Richie Murphy's team start that trip in Johannesburg, where they face the Lions.Connacht are the last of the Irish in action, with Pete Wilkins' side looking to build on last week's impressive performance at Munster, when they host an impressive looking Sharks side in Galway. ONLINE We'll have live updates, live scoring, reports and reaction from all four games on rte.ie/sport. TV You can watch live coverage of Zebre v Munster (Saturday 3pm) on RTÉ2 and RTÉ Player.Leinster v Dragons (Friday 7.35pm) and Connacht v Sharks (Saturday 7.35pm) are both on TG4 and Premier Sports, while Lions v Ulster (Saturday 11.55am) is also live on Premier Sports.All games are shown live on URC.tv. WEATHER It should be a dry evening with moderate winds for Leinster's meeting with the Dragons at the Aviva Stadium on Friday evening, with temperatures just below 10C by kick-off at 7.35pm.Ulster can expect a hot afternoon in Johannesburg, with 24C temperatures forecast, although it's expected to become quite windy as the afternoon progresses.It will be around 21C and humid in Parma for Zebre v Munster, with a chance of a thunderstorm later in the game.Connacht and the Sharks can look