Brisbane River - Karana Downs Boat Ramp UV IndexAustraliaQLDDarling DownsBrisbane River - Karana Downs Boat Ramp1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAABrisbane River - Karana Downs Boat Ramp UV forecast issued yesterday at 9:07 pm. Next forecast at approx. 9:07 pm.Get an account to remove ads