A cold front moving in from Tasmania is forecast to bring a wet weekend to the continent after a dry start to the month.
New South Wales and Queensland have been covered in clouds for the past two weeks and they are also not expected to ease this weekend.
A series of cold fronts passing through Tasmania will bring rain, hail and even snow to south coast towns that have enjoyed unseasonably warm weather in recent fortnights.
However, Perth is expected to remain historically warm, after breaking the record for most consecutive days in May with temperatures above 25C, which was eight but is now 10 and could reach 16.
Until now, most cities had recorded temperatures up to 4°C above average, but experts say this will end soon.
After an unseasonably warm start to May, rain is about to settle in towns along the south coast.
Cold fronts crossing Tasmania on Friday and Saturday will bring rain, hail and even snow over the weekend.
Gusty winds, showers and possible small hail are expected to arrive southern Victoria during the afternoon after the cold front passed into the state.
Along with the colder conditions, a cold, polar air mass will drop several inches of snow. in Tasmania and the Alps at resort level from Friday.
The rain will clear up in both states on Saturday afternoon before more rain arrives on Sunday.
Strong to gale-force winds will also hit Sydney over the weekend, where rain will continue for the third weekend in a row.
Some of the coldest temperatures of the year are also expected to hit several towns and cities.
Mercury will fall below 10C in Sydney for the first time since September on Sunday morning.
In Canberra Temperatures will easily fall below freezing.