And the North Island is not immune to the cold snap, with temperatures in parts of Waikato also dropping as low as -4C. The centre of the high pressure system over New Zealand, which was currently over the South Island, would move over the North Island tonight. High 15C, low 9CHamiltonToday: Morning frosts and patchy fog, then fine. High 12C, low -1CTomorrow: Long sunny spells, morning frosts. High 12C, low 1CTomorrow: Long sunny spells, morning frosts.

Source: New Zealand Herald July 01, 2016 19:58 UTC