River Foyle - River Faughan Entrance UV IndexUnited KingdomNIDerryRiver Foyle - River Faughan Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAARiver Foyle - River Faughan Entrance UV forecast issued yesterday at 6:52 pm. Next forecast at approx. 6:52 pm.Get WillyWeather+ to remove ads