Isle of Bute - Glencallum Bay UV IndexUnited KingdomSTArgyll and ButeIsle of Bute - Glencallum Bay1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAIsle of Bute - Glencallum Bay UV forecast issued today at 7:54 pm. Next forecast at approx. 7:54 pm.Get an account to remove ads