Winter is finally knocking on Sydney’s door. Dig out your coats and beanies because today’s top of 25 degrees is going to drop abruptly when a cold front arrives this afternoon.

The front will be heralded by icy westerly winds – making things feel even colder – which are expected to reach up to 40 kilometres per hour along most of the New South Wales coast.

After an abnormally warm autumn, overnight temperatures will dip to just nine degrees in inner-city Sydney, with a top of 17 degrees expected on Friday, accompanied by fierce winds.

“There is a cold front moving in across the state and with that there is a pool of cold air behind it … temperatures will decrease as it moves through,” a Bureau of Meteorology (BOM) spokesperson told Broadsheet.

The spokesperson also confirmed a low of around four or five degrees is expected for Camden and Camperdown.

“Strong winds are likely to strengthen along parts of the coast late tomorrow and Saturday morning. We’re putting a warning out for damaging winds for parts of the ranges tomorrow,” they said.

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The silver lining? Temperatures will rise again next week when a high-pressure ridge moves across the state and brings clear skies with it.

“We’ll see temperatures increase again, but not drastically – we’re not moving back to summer.”

The southern and central ranges of the state could also see their first low-level snowfall tonight, as Weatherzone developer Andrew Miskelly explained on Twitter, “once the deep, cold air currently centred over VIC arrives.”

Snow has already started to fall across peaks in Victoria, but it’s unlikely the Blue Mountains will see a dusting just yet. If you’re looking for snow head further west towards Oberon tomorrow.

“At the moment that cold-air mass, with showers developing overnight, will extend to the north tomorrow,” the BOM spokesperson said.

“We’re looking at snow on Central Tablelands down to 800 metres on the west of the ranges, but the Blue Mountains does not look to be favourable to having that snow fall.”

Surf and swell conditions are expected to be hazardous, too. If you’re heading to the Illawarra, Batemans or Eden coasts, avoid rock fishing, boating and swimming.

media.bom.gov.au

To look ahead at what we're in for see our winter gallery