Midday temperatures were 22°C at Observatory Hill in Sydney, but by 2pm temperatures had dropped to just 12.7°C as the front arrived.
“A cold air mass moving across southeast Australia is causing huge temperature contrasts between some of Australia’s largest capital cities today,” Weatherzone said.
As the cold front swept across Sydney, so did the rain and wind. (9 News)
The world’s rivers are drying up due to extreme weather
“Sydney should cool by around 10C within an hour or two as the front arrives, with cloud, wind and rain exacerbating the cold change.”
Footage showed Sydney’s sky turning from blue to gray in a matter of hours as the storm moved through.
Not only did the temperatures drop, but a hailstorm swept through the city Tuesday afternoon.
Some residents filmed hail pouring into Georges Hall and Bankstown leaving the ground covered in ice.
Greetings at Georges Hall in Western Sydney on Tuesday 23 August (9News)
“Southerly winds will also strengthen along the NSW coast and spread with and after the front, causing dangerous conditions in some coastal waters on Tuesday and Wednesday,” Weatherzone said.
“As a result, a hazardous surf warning and gale warning has been issued for most of the coast.”