The top of the North Island will record the warmest temperatures with Auckland reaching 17 degrees and Dargaville at 18 degrees.
Moving down the North Island, Taupō and Hamilton will reach a morning minimum of 15 degrees. While Tauranga will reach a slightly warmer 17 degrees.
Temperatures will be cooler in lower North Island with Masterton set to reach 11 degrees and the capital to record a cool 13 degrees.
However, those in the South Island may still need to keep the extra blanket on the bed.
Nelson and Westport will record a warmer 13 degrees while Milford Sound, Timaru, Blenheim, Twizel and Dunedin all reach below 10 degrees.
Invercargill will record the country's lowest temperature at a cool 3 degrees.
Meanwhile, rain will be on the cards for many across the country with MetService issuing an orange heavy rain warning for Mt Taranaki and a heavy rain watch for Tongariro National Park.