Long-range forecasting manager Andrew Watkins said autumn had been very interesting, with a hot start to the season with record high temperatures and cool conditions at the end.

Dover's maximum temperature of 40.1 degrees on March 2 was the highest autumn temperature ever reported in the state, far exceeding the previous record of 38 degrees at Campania in 2008.

"Warmer than average, but with a very hot start [and] a cold end," he said.

He said there had been below average rainfall throughout much of the state, with very below average rain through the state's east.

"Very dry in those areas," he said.

Coming into winter, Mr Watkins said temperatures were likely to be warmer than average.

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It looked as though Tasmania had quite high odds of having warmer than normal days, he said.

"Our climate outlook shows most states and territories have large areas where chances are greater than 80 per cent for warmer than average days," he said.

"Winter nights are very likely to be warmer than average in Tasmania, along the mainland's southeast coast, and northern Western Australia stretching through parts of the Northern Territory.

"Even though overall the forecast is for warmer nights, we will get those frosty periods so keep an eye open."

The state is also expected to have lower rainfalls than average.

"We'll get some rain, we're not saying no rain, but certainly drier than average," Mr Watkins said.

To keep up to date with the state's weather, visit bom.gov.au.