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Daily Forecast

Showers & thunderstorms in a moist & unstable airstream over the northern tropics, extending south over inland QLD, NSW & far east VIC, with showers over TAS following a cold front. High pressure is keeping WA & SA largely clear whilst directing heat over the interior.

Now

Min

Max

Late ShowerSydneyNSW

25.0°C

22°C
31°C

RainMelbourneVIC

18.6°C

20°C
30°C

Rain ClearingBrisbaneQLD

25.6°C

23°C
30°C

Possible ShowerPerthWA

21.7°C

15°C
23°C

Clearing ShowerAdelaideSA

20.5°C

17°C
25°C

Late ShowerCanberraACT

22.8°C

16°C
26°C

RainHobartTAS

21.3°C

14°C
21°C

Possible ThunderstormDarwinNT

29.4°C

26°C
33°C

Latest Warnings

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Low Temperature

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Records data is supplied by the Bureau of Meteorology and has not been independently quality controlled.

Latest News


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Today, 6:22AM UTC

Adelaide Test forecast: Showery first day, then fine

Dark clouds are looming over the Australian batting order at present, but after a potentially showery first day, the weather should clear up for the last four days of the second men's day-night cricket Test between Australia and India at the Adelaide Oval starting this Friday, December 6. Friday is the only day where there’s the possibility of enough rain to interrupt the action, with play scheduled to take place between 2:30m and 9:30pm local time (3pm and 10pm AEDT). In addition to potential showers, Friday will also be hot with a maximum of 35°C expected shortly before players take the field on day one. This is more than Australia V India. It’s a chance to witness one of the greatest rivalries in International Cricket for the BGT. Australia take on India this Summer in the NRMA Insurance Day-Night Test at Adelaide Oval, December 6-10. ????️ Tickets: https://t.co/wPBMPKUC1n pic.twitter.com/IP8ghIo02v — Adelaide Oval (@TheAdelaideOval) November 27, 2024 From Saturday afternoon onwards, a high pressure system centred over the Great Australian Bight will be the dominant feature on weather charts, bringing dry, sunny conditions to Adelaide for days two to five of the Test. The weekend will be considerably cooler than Friday with expected tops of 25°C on both Saturday and Sunday, before the new week ushers in a warming trend, with max temps of 28°C on Monday and 31°C on Tuesday. Key cricket stats Australia has played 12 day-night Tests with the pink ball and has won 11 of them, with the only loss coming against the West Indies (by just 8 runs) at The Gabba in Brisbane in January this year. Australia has won all seven of the Adelaide pink ball Tests. Banter check ✅ Hat check ✅ Travel day ✅#TeamIndia have arrived in Adelaide ???? ????#AUSvIND pic.twitter.com/hRDUfOTcpf — BCCI (@BCCI) December 3, 2024 Key weather stats Adelaide's average December maximum is 26.9°C with a highest recorded December max of 45.3°C. Adelaide receives 26.2mm of rainfall on average in December. Only the first three months of the calendar year are drier on average. Weatherzone's Adelaide forecast is here.

Today, 2:04AM UTC

La Niña and negative IOD declarations unlikely this summer

Australia should experience summer without the influence of major climate drivers like La Niña or a negative Indian Ocean Dipole, potentially heightening the risk of heatwaves, extreme heat and bushfires across parts of the country. Pacific Ocean climate driver During much of 2024, the sea surface temperatures across the central and eastern Pacific have been cooler than average, hinting at a potential La Niña developing in 2024. Image: Sea surface temperature anomalies in the Pacific Ocean on December 1, 2024. The map shows a classic La Niña-like pattern, with cooler-than-average water in the central and eastern equatorial Pacific Ocean. Source: NOAA. La Niña is a broad-scale circulation in the Pacific Ocean that is characterised by warmer-than-average sea surface temperatures to the northeast of Australia and abnormally cool water in the central and eastern equatorial Pacific Ocean. The image above shows a pattern like this which is why the Bureau issued a La Niña Watch earlier this year, meaning that there is a 50% chance of a La Niña developing this year, or about twice the normal likelihood. If La Niña was to occur this summer, it could typically cause: Increased rainfall across much of Australia Milder daytime temperatures Warmer nighttime temperatures in the north Greater risk of Tropical Cyclones Earlier onset to the monsoon Increased risk of heatwaves, but at a lower intensity Increased humidity La Niña is one of three phases of the El Niño-Southern Oscillation, with the other two phases being El Niño and neutral (neither La Niña nor El Niño). We have entered summer in a neutral phase of the El Niño-Southern Oscillation, which usually brings ‘normal’ summer weather to Australia. Recent observations of the Nino 3.4 index show that the Sea Surface Temperatures anomalies in the central equatorial pacific have moved away from the La Nina threshold of -0.8ºC and toward the neutral phase. Image: Nino3.4 index observations during the last few years. Both the Niño 3.4 or 3 indices have not yet met the Bureau’s criteria for declaring La Niña. However, this is not the only criteria used by the Bureau and any three of the following criteria can be used to declare La Niña: Niño 3.4 and 3 indices below -0.8°C Trade winds in the central or western Pacific Ocean stronger than average during any three of the last four months Southern Oscillation Index (SOI) is +7 or higher for a three-month average. Majority of models show sustained values below -0.8°C for the Nino3 and Nino3.4 regions Currently only one of these criteria has been met, with stronger trade winds occurring across the western Pacific. The three-month SOI index is 3.7, which is well within neutral boundaries and is unlikely to make this criterion in at least the next three months. The majority of climate models are predicting neutral conditions this summer. Only two out of the seven models surveyed by the Bureau of Meteorology are predicting La Niña for December, as shown below. Image: Global climate model Niño3.4 index forecasts for December 2024. Source: Bureau of Meteorology. While the Bureau is unlikely to declare La Niña this summer, the US Climate Prediction Centre (CPC) and Columbia University’s International Research Institute for Climate and Society (IRI) predict that there is a 74% chance of the La Niña phase of the climate driver emerging this year. However, their La Niña threshold for the Nino 3.4 index of -0.5°C is less extreme than the Bureau’s which is -0.8°C, and therefore easier to meet. Regardless of the Bureau’s declaration, Australia could see La Niña-like conditions develop during early to mid-summer increasing the chance of rainfall across northern and eastern Australia. Indian Ocean climate driver Another major climate driver for Australia is the Indian Ocean Dipole (IOD), which is an index that measures the difference in sea surface temperatures across the tropical Indian Ocean. A negative IOD occurs when cooler-than-average water sits on the western side of the Indian Ocean, near the Horn of Africa, and warmer-than-average water lies on the eastern side of the Indian Ocean, near Indonesia. A positive IOD is the opposite of this pattern (cooler water in the east, warmer in the west). Each phase of the IOD also influences atmospheric conditions above the Indian Ocean and surrounding countries. For Australia, a negative IOD typically increases the likelihood of above average rain over large areas of the country, while also promoting cooler days in the country’s south and east. IOD events typically occur between May and November and break down when the monsoon arrives in summer. The IOD index had been in a predominantly negative phase over the last couple of months, since mid-October, however it has recently jumped back into neutral conditions. Image: IOD index observations during the last few years. While it had been negative for weeks, the Bureau typically does not declare a negative IOD event unless the index is below the -0.4°C threshold for at least eight weeks. While the IOD has been officially neutral and will continue to be with the arrival of the monsoon expected in December, the brief negative phase seen in recent weeks has been causing above average rainfall and storm activity across large areas of Australia. Image: Australian rainfall deciles for November 2024. Source: Bureau of Meteorology The rainfall in November and also the opening days of December most likely has been caused in part by this negative IOD-like pattern, which is associated with much warmer than average Sea Surface Temperatures (SSTs) off the northwest shelf of Australia. Image: Sea surface temperature anomaly for Sunday, December 1. Source Bureau of Meteorology The unusually warm waters to the northwest of WA are enhancing the moisture in the atmosphere in the region, which is being transported towards the countries southeast by frequent northwest cloud bands. While the IOD is expected to be neutral in the coming months, these warm waters could continue to enhance rainfall across parts of Australia this summer. The ocean temperatures to the country's southeast are also abnormally warm, which could increase the potential for rain, thunderstorms and humidity over eastern Australia in the coming months. Eastern Australia could also see enhanced easterly winds this summer thanks to prolonged phases of positive SAM. This may enhance rain and storm activity in the country’s east and southeast in the months ahead. What to expect this summer During early December, large parts of the country are forecast to be wetter than average due to the warm SSTs surrounding much of Australia, along with the influence of La Niña-like conditions and the likely arrival of the monsoon. Images: Chance of wetter than normal forecast for the summer months according to the ECMWF-SEAS5 model You can see in the maps above that later in summer, much of Australia is forecast to become drier than average, except for pockets of eastern Australia. Despite the rainfall signal in early summer, daytime and nighttime temperatures are forecast to be warmer than average across the country. With La Niña and the negative IOD unlikely to occur, Australia faces an increased risk of extreme heat and bushfires this summer. Large areas of the NT, Vic and parts of NSW, WA and SA have an increased risk of bushfires this summer, with dry and warm conditions forecast to continue.

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02 Dec 2024, 11:15PM UTC

Vast cloudband from Cape York to Tasmania

An enormous cloudband can be clearly seen on satellite imagery this Tuesday morning stretching from Australia's northern tip to waters well south of Tasmania. The cloudband swept across inland parts of the eastern states overnight, and continues its progress out into the Tasman and Coral Seas, delivering handy falls of rain as it passes through. Image: Atmospheric water vapour (the blue areas) associated with the cloudband at 9am (AEDT) on Tuesday, December 3, 2024. Some of the noteworthy rainfall totals to 9am Tuesday included: Falls exceeding 50mm at three locations in Victoria's North East, with lighter falls in each of the other eight forecast districts, although Melbourne received less than a millimetre. Widespread light to moderate totals across western and central NSW, with a statewide highest reading of 29mm at Condobolin, the hometown of Aussie singer Shannon Noll. Significant rain in many parts of Queensland, including 16.2mm at Birdsville 13mm at Thargomindah in Queensland's far southwest. While those totals aren't huge, they were the heaviest falls since July in both towns – and a strong indication of the high level of atmospheric moisture over parts of inland Australia early this week. Numerous falls in the range of 10 to 25mm in northern Tasmania, including 25mm at the state's third-largest city Devonport, where the monthly average rainfall for December has already been exceeded after heavy falls on the first day of the month and two days of follow-up rainfall. Handy falls were also recorded in parts of South Australia, including 8mm in Adelaide where any December rain is good rain after the total spring 2024 rainfall of just 67.6mm, which was barely half of the seasonal average. As Weatherzone’s early morning synoptic chart for Tuesday shows, the overnight rain fell along a trough of low pressure wedged between areas of high pressure to the east and west. Image: Synoptic chart for Australia at 5am (AEDT) on Tuesday, December 3, 2024. Rain and showers are expected to clear over much of eastern Australia over the next day or two, although onshore winds will generate persistent showers over most of Queensland's coastline. Inland storms also remain a possibility throughout most of the areas mentioned, with the likelihood of more widespread storm and shower activity increasing into the weekend.

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