A mixed bag of weather is forecast when Australians head to the polls tomorrow in the federal election.

Australia’s system of compulsory voting means the weather does not impact voter turnout, unlike many other countries.

For millions of voters and those working at polling stations, it might be helpful to know whether they should pack an umbrella or a warm coat for their journey to the polls tomorrow.

And for those looking forward to a democracy sausage, some stalls may be required to move under shelter.

Here is what the Bureau of Meteorology is forecasting for your capital city.

Brisbane is set for a cloudy day as people head to vote, with a slight possibility of rain, particularly in the afternoon, and a high of 24 degrees.

Voters in Sydney, especially those in the western suburbs, might face some early morning fog. The remainder of the day is expected to be partly cloudy with gentle winds, reaching a maximum of 23 degrees.

Voters planning to get to the booths early tomorrow in the ACT and Tasmania should wrap up, or take a warm drink.

A chilly overnight minimum temperature of just 1 degree in Canberra will give way to a dry and frosty early start of the day before the mercury reaches a maximum of 20 degrees.

Similar conditions will greet early voters in Hobart, with 6 degrees for the morning accompanied by fog and frost.

Voters in Western Australia can expect to feel the winds of change as a cold front moves through south-western parts after a spell of fine autumn weather.

From a high of 26 degrees today in Perth. the mercury will dip to 22 degrees tomorrow, with a 90 per cent chance of rain. The sudden turnaround in conditions will bring chilly, strong and gusty westerly winds.

Voters from NSW can expect drier conditions, with only a slight chance of showers tomorrow for many places, including Sydney. Southern parts of the state are expected to be bright and sunny.

Clear dry weather is expected in other capital cities.

Voters in Adelaide can expect largely clear skies and plenty of sun, with light to moderate northerly winds. The City of Churches will have a very pleasant top temperature of 25 degrees.

Similar conditions will face Melbourne residents as they head to polling stations. Thee will be early fog and frost in the city’s eastern suburbs before the day warms to a maximum of 22 degrees.

Darwin will have a dry and mostly sunny election day. Temperatures up to 33 degrees are forecast.