Conditions were set to stabilise this week though, said MetService meteorologist Ciaran Doolan.
"It's good news for the working week. The ridge of high pressure is set to persist until Friday, which means a continuation of warm, settled weather."
Hastings was one of the warmest spots in the country yesterday, reaching 27.7C in the early afternoon, a high of 26C was on the cards today, inching up to 28C
Across the region, morning cloud today and tomorrow would give way to sunny weather, with the possibility of isolated showers in the ranges, but otherwise fine.
Highs of 22C were predicted on Thursday with the possibility of showers, with skies clearing again on Friday.
Overall, he said the temperatures were slightly above average for this time of year.
For summer fruit growers the conditions had made for a good start to the season, according to the latest Summerfruit NZ market update.
The harvest in the Hawke's Bay region was about seven days ahead of last year, and although the weather had been changeable it was not a major concern for growers, and consumers would see some great fruit coming to the market.
For apricot lovers, the supply was expected to be steady for another two weeks, plenty of nectarines would be available leading up to Christmas, and peaches and plums were steadily coming on-stream.
Eyes to the skies
The clear conditions auger well to witness this year's last full moon tonight, which will appear larger and brighter than normal as it coincides with the moon's closest approach to Earth.
This will be the first time such a "supermoon" has happened this year and the moon will be at its best when it appears above the horizon about 9pm.