Australia Day weather forecast: Rain in Sydney, sunshine in Adelaide and Perth, cloudy in Melbourne

Wet and wild weather set to bombard the country as Aussies are warned to embrace the public holiday sun before dangerous storms kick off and stick around until the weekend

  • Rain is set to hit eastern Australia
  • A possible cyclone is forming off WA
  • Southern Australia to stay mostly sunny 

Wet and stormy weather is forecast to lash multiple states this weekend with wild conditions also refusing to let up for the Australia Day public holiday this Thursday.

Much of Australia’s east coast is set to see a rainy second half of the week while vicious storms continue in the north and sunny conditions bring high temperatures to the west. 

Lightning storms struck Sydney from 9pm on Tuesday night with bolts flashing across the sky before the arrival of evening storms.

Millions are expected to get out into the sun on Australia Day but Sydneysiders have been warned to brace for an afternoon storm.

‘A warm and mostly sunny morning will entice millions of people to head outdoors across the Greater Sydney region,’ Weatherzone meteorologist Ben Domensino said.

‘But the pleasant morning weather will hide the threat of afternoon thunderstorms which could become severe.’

Lighting storms hit Sydney (above) from 9pm on Tuesday with more rain forecast to fall over the city on Wednesday and Friday

Lighting storms hit Sydney (above) from 9pm on Tuesday with more rain forecast to fall over the city on Wednesday and Friday

Meteorologists warned afternoon storms will ruin Sydneysiders Australia Day holiday (pictured, pedestrians in Sydney)

Meteorologists warned afternoon storms will ruin Sydneysiders Australia Day holiday (pictured, pedestrians in Sydney)

Storms will start to develop around the ranges and western parts of Sydney by the afternoon, threatening damaging winds, heavy rain and large hail.

Sydney is forecast to reach a top of 31C in the city and 35C in the west, with humidity remaining high.  

Meanwhile, flash flooding and power outages struck Victoria on Tuesday afternoon after severe thunderstorms developed.

In the 90 minutes to 3.30pm, at least 24mm of rain fell over Geelong Racecourse.

More than 3,000 homes were left without power when lightning struck the area.

Weatherzone meteorologist Anthony Sharwood said storms remain possible across most of eastern Australia for the coming days.

Cloudy skies and drizzly rain is forecast to push through southern Victoria on Thursday before moving north across the border.

Flash flooding hit regional Victoria on Tuesday with at least 24mm falling in 90 minutes in Geelong (above)

Flash flooding hit regional Victoria on Tuesday with at least 24mm falling in 90 minutes in Geelong (above)

Storms also affected Melbourne's northern and eastern suburbs (pictured, Tuesday afternoon's rain radar)

Storms also affected Melbourne’s northern and eastern suburbs (pictured, Tuesday afternoon’s rain radar)

Fortunately, Melbourne residents can expect mostly sunny conditions for the public holiday before windy conditions set over the city on Saturday. 

Tropical Cyclone Freddy is likely to develop in Western Australia on Saturday, bringing damaging wind gusts and significant rainfall totals.

If the cyclone does develop, it could bring gusts of up to 125km/h and intense rainfall with up to 300mm forecast to fall over 35 hours.

However, Perth is expected to avoid the brunt of the storm with mostly sunny weather forecast through to the weekend. 

Weather will remain fine in South Australia for most of the week before a cool change brings significant rainfall by the weekend.

Temperatures will stay below 30C before Friday, when sweltering heat will grip Adelaide.

The mercury could reach 37C before the weekend.

Cyclone Freddy (above) could form off WA's coast bringing wind gusts of up to 125km/h and intense rainfall

Cyclone Freddy (above) could form off WA’s coast bringing wind gusts of up to 125km/h and intense rainfall

A band of rain will ‘steamroller’ through South Australia on Saturday morning, according to Sky News meteorologist Alison Osborne.

Humid and ‘unsettled’ conditions are forecast in southeast Queensland to kick off Australia Day.

Showers may develop in the afternoon, focused around areas further inland, while coastal areas could be spared.

Brisbane is expected to see light rain on Wednesday and Friday with Australia Day bringing cloudy conditions. 

They are likely to remain over the lower end of the state into Friday before clearing ahead of the weekend.

Temperatures will stay in the low 30s for the rest of the week.

Hobart is currently warm, with a high of 26C expected on Wednesday, though a cool change is on the horizon.

Aussies in Adelaide and Perth can expect sunny conditions for their Australia Day celebrations (pictured, Australia Day revellers in 2022)

Aussies in Adelaide and Perth can expect sunny conditions for their Australia Day celebrations (pictured, Australia Day revellers in 2022)

Tasmanians celebrating the public holiday will have to brace for cooler temperatures with a top of 21C.

The weather is forecast to warm up again by the end of the week before cloudy skies return.

Partly cloudy conditions are expected for the nation’s capital, though temperatures are predicted to stay above 30C.

There is a slight chance of showers for the public holiday, with winds of up to 20km/h in the late afternoon.

The skies are due to clear by Saturday, with sunny, warm conditions expected.

The wet season continues to lash the Northern Territory where hot, steamy weather is combining with persistent rainfall.

Up to 15mm of rain is likely to fall on Wednesday and again on Thursday with continued stormy weather forecast for the foreseeable future in Darwin.

Temperatures will stay above 30C throughout the week.

FOUR-DAY FORECAST FOR MAJOR CITIES

PERTH

Wednesday Sunny. Max 32

Thursday Sunny. Min 17 Max 32

Friday Partly cloudy. Min 16 Max 26

Saturday Sunny. Min 14 Max 30

ADELAIDE

Wednesday Sunny. Max 27

Thursday Mostly sunny. Min 15 Max 29

Friday Sunny. Min 16 Max 37

Saturday Possible shower. Min 25 Max 32

MELBOURNE

Wednesday Mostly sunny. Max 28

Thursday Partly cloudy .Min 16 Max 22

Friday Sunny. Min 13 Max 27

Saturday Becoming windy. Mostly sunny. Min 18 Max 36

HOBART

Wednesday Partly cloudy. Max 26

Thursday Partly cloudy. Min 15 Max 21

Friday Partly cloudy. Min 12 Max 26

Saturday Becoming cloudy. Min 15 Max 31

CANBERRA

Wednesday Mostly sunny. Max 30

Thursday Partly cloudy. Min 13 Max 32

Friday Cloudy. Min 13 Max 29

Saturday Sunny. Min 14 Max 33

SYDNEY

Wednesday Possible shower. Max 29

Thursday Partly cloudy. Min 21 Max 32

Friday Shower or two. Min 21 Max 27

Saturday Partly cloudy. Min 20 Max 29

BRISBANE

Wednesday Possible shower. Max 33

Thursday Partly cloudy. Min 22 Max 33

Friday Possible shower. Min 23 Max 33

Saturday Partly cloudy. Min 23 Max 30

DARWIN

Wednesday Showers. Possible storm. Max 31

Thursday Showers. Possible storm. Min 25 Max 32

Friday Shower or two. Possible storm. Min 24 Max 32

Saturday Showers. Possible storm. Min 25 Max 32

Source: Bureau of Meteorology

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