Sarnau (Honddu Isaf) UV IndexUnited KingdomWLPowysSarnau (Honddu Isaf)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASarnau (Honddu Isaf) UV forecast issued yesterday at 7:51 pm. Next forecast at approx. 7:51 pm.Get WillyWeather+ to remove ads