A trough is causing showers along the NSW coast. A ridge is leading to a cool morning in the nation's southeast. A low in the bight is directing showers onto the southern coasts of SA and WA. The jet stream is carrying rain across the country's north.
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.