New Zealand is set for a “temperature rollercoaster” from today — with a cool weekend ahead of a temperature spike early next week.

The forecast will be keenly watched as Kiwis up and down the country prepare for Waitangi Day events on Tuesday.

“Expect some cooler weather over the next few days,” MetService said on X.

NIWA echoed that forecast yesterday: “Beyond today, it will be a bit of a temperature rollercoaster.

“The start of February may feel like autumn with unusually cool and brisk weather.”

The cooler temperatures will hit from tomorrow, MetService said.

“Come Friday, a fresh set of fronts from the Tasman Sea will introduce gusty winds and cooler temperatures for the following days,” the authority explained, adding the temperature drop will be felt over the South Island first tomorrow before reaching the lower and central North Island by Saturday.

“Alexandra and Taumarunui are forecast to go from highs of 29C on Wednesday to just 18C and 19C respectively on Saturday.

“Friday and Saturday will certainly look and feel quite different from the start of this week.”

But the weekend dip in temperatures would be followed by a sharp rise early next week.

“Around and after Waitangi Day, our air will come from Aussie and could mean the hottest weather of the summer for some,” NIWA stated on X.

A high of 26C is forecast for Paihia, the nearest weather station to Waitangi, on Tuesday.

Auckland is set for a high of 25C tomorrow, 23C on Saturday, 23C on Sunday, 25C on Monday and 26C on Tuesday.

Wellington is cooler with a high of 20C tomorrow, 19C on Saturday, 21C on Sunday, 21C on Monday and 22C on Tuesday.

Meanwhile, Christchurch faces a mixed bag with a high of 25C tomorrow, 18C Saturday, 25C Sunday, 30C Monday and 29C Tuesday.

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