There’s a big range of temperatures tonight as a low in the Tasman Sea fuels warmer air over the upper and western parts of the North Island but mostly clear skies and light winds keep it cold in the South.

Main centre temps as of 7:30pm…

• Whangarei & Auckland 12
• Hamilton 8
• Tauranga, New Plymouth, Wellington 11
• Napier 6
• Palmerston North, Nelson, Christchurch, Invercargill 7
• Blenheim 10
• Timaru 2
• Oamaru 1
• Dunedin 5