The chances of rain falling over the next seven days is slight with forecasters saying modelling suggests the best chance of rain may fall in two weeks' time.
Meteorologist with weatherzone Tom Hough says there is a slight chance of some rain associated with a cold front on Sunday.
"Our best chance of rain is likely to be Thursday or Friday of next week (August 22 or 23)," he said.
"It is looking more likely to be offshore and there is not much agreement within the modelling.
"That chance is likely due to a front that will cross the south of Australia before clipping NSW.
"Outside of that, there is a slight chance later on Sunday with some increasing cloud associated with a front off the south of Australia that is likely to impact on NSW too."
Wednesday's maximum temperature will top 21 degrees and after a frosty start of just two degrees on Thursday, we should see temperatures climb to 24 degrees.
On Friday the minimum temperature will be five degrees with a daytime maximum of 25 degrees.
The average maximum temperature for this time of year is 20 degrees while the minimum is 6.8 degrees.
This weekend will be just a little bit cooler as more cloud rolls across the Port Macquarie-Hastings on Sunday, Mr Hough said.
"Saturday and Sunday's minimum temperatures will be seven degrees with the maximum on each day reaching 22 degrees.
"You can expect it to be just a little bit cooler and there will be some more cloud around too.
"Winds will be fairly light but could strengthen on Saturday afternoon as the wind swings around to the southerly direction."
Out to sea, wave heights on Wednesday will be 1-2 metres; around .5-1 metres on Friday and Saturday and increasing to one metre on Sunday.
The Bureau of Meteorology has not issued any weather warnings for the next two days.
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