A weak high sits to the east of the South Island, while a light airflow tends westerly as the day moves on.

For the North Island, a westerly airflow will dominate, as weather moves in from the Tasman Sea, meaning it will stay warm in the east.
Conditions are fairly cloudy for the upper half of the island, while some patchy rain or the odd shower moves through for a time.
The lower North Island sees morning drizzle clear in the west, then some afternoon sunny spells.
Along the East Coast it’s mostly sunny with some high cloud, along with light winds and some afternoon sea breezes to boot.

Friday is shaping up fairly settled over the South Island, morning cloud in the east burns away to sunny areas, east to northeast winds become quite brisk in the afternoon near the coast.
Cloud becomes a little more persistent on the West Coast but expect some sun at times still.

– Aaron Wilkinson & Drew Chappell, WeatherWatch.co.nz