Above average temperatures, but a cool change by Sunday

Start of the storm: Tuesday's night's tremendous light show and thunderstorm staring to roll across the local government area. Photo: Helen Adams
Start of the storm: Tuesday's night's tremendous light show and thunderstorm staring to roll across the local government area. Photo: Helen Adams

Higher than average temperatures, chance of thunderstorms and a cool change by Sunday.

That's our lot for the weather over the coming days.

According to weatherzone meteorologist Graeme Brittain, Wednesday night could see a possible thunderstorm.

"Port Macquarie-Hastings can expect a few showers later in the afternoon (Wednesday) and a possible thunderstorm," he said.

"You could see rainfall up to 5mm with the potential for 10 to 15mm if that thunderstorm eventuates.

"There is less of a chance of a shower on Thursday but Friday will see some more, possibly light, rain return.

"The maximum temperatures for Thursday and Friday will be 28 degrees."

Pleasingly, Saturday's maximum temperature is likely to be as high as 32 degrees, which is almost five degrees above the average.

Overnight temperatures for the next few nights won't dip below the 20 degree mark, 'so it could feel quite muggy', the weather forecaster said.

By Sunday, it will all change.

A cool change will push up the NSW eastern seaboard bring a period of rain and a drop in maximum temperature to just 25 degrees.

"The exact timing of that change is not quite certain, but it will feature a drop in temperature, and blustery wind conditions from the south, south-westerly direction," he added.

The exact timing of that change is not quite certain, but it will feature a drop in temperature, and blustery wind conditions from the south, south-westerly direction.

Graeme Brittain

There are no significant weather issues out to sea, with the only impact likely associated with Sunday's cool change.

Mr Brittain said Tuesday night's thunderstorm and light show realised 21mm of rainfall across the wider Port Macquarie-Hastings LGA.

Essential Energy's general manager network services, Luke Jenner, said the recent spell of hot weather had not had a major impact of services.

"Essential Energy’s power supply network is designed and built to meet peak energy demands experienced during both summer and winter months," he said.

"During the weekend’s heatwave conditions, we experienced higher than normal demand, however, this was in line with predicted forecasts and expectations for this time of year and did not cause any major network issues.

"We recorded isolated power supply outages across the weekend, as is typical for an electricity network with more than 200,000 kilometres of powerline covering 95 per cent of New South Wales.

"Electricity consumption in Port Macquarie increased on Sunday and Monday as the area experienced warmer temperatures, however, this usage is not uncharacteristic for the summer months.

"Overall consumption for the period December 1, 2017 to January 8, 2018 is slightly lower this year (34,135 MWh) compared with the same period last year (34,182 MWh)," he said.

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