AFL Grand Final forecast: Ponchos out at the MCG, Sydney heats up

shares Share article Australians are waking up to a weekend of wildly different weather, with footy fans bracing for a cold and soggy AFL Grand Final while temperatures climb elsewhere.

Melbourne is forecast to reach just 15 degrees on Saturday, with rain expected during the morning and afternoon, according to the Bureau of Meteorology.

Melbourne is forecast to reach just 15 degrees on Saturday, with rain expected during the morning and afternoon. Justin McManus

Parts of Sydney are heading into the high twenties and low 30s, before temperatures plunge on Sunday.

Anyone heading to the MCG will want a jacket and something waterproof, as cold air from the Southern Ocean brings a wet, chilly Saturday to southern Victoria .

It’s a big turnaround from what forecasters initially expected earlier in the week.