Australian Community Climate and Earth-System Simulator (ACCESS). Based upon the UK Met Office Unified Model system. ACCESS G is the global numerical forecast model operated by the BoM. It is run twice daily (00Z and 12Z) and provides forecast data out to 240 hours with a horizontal resolution of 80km and 50 vertical levels.
08:52 EST Melbourne has just chilled to 2.3 degrees, its coldest morning in five years and its not likely to become much warmer for at least a week.