Josh Lewsey told ITV News said it was an "honour" to be named as Head of Rugby and he is looking forward to the new role.
More top news
Any heavy showers will clear away northeastwards through late evening.
The Scarlets were comprehensively beaten 38-16 by Leinster in Dublin.
Cardiff Blues survived an onslaught from Pau's powerful pack to book a place in the European Challenge Cup final.