Porthyrhyd (Llanddarog) UV IndexUnited KingdomWLCarmarthenshirePorthyrhyd (Llanddarog)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAPorthyrhyd (Llanddarog) UV forecast issued yesterday at 7:51 pm. Next forecast at approx. 7:51 pm.Get WillyWeather+ to remove ads