Llanfair-Nant-Gwyn UV IndexUnited KingdomWLPembrokeshireLlanfair-Nant-Gwyn1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAALlanfair-Nant-Gwyn UV forecast issued today at 6:53 pm. Next forecast at approx. 6:53 pm. UV IndexGet WillyWeather+ to remove ads