Heavy fog forced an international flight to be diverted from Auckland Airport this morning.
The Qantas flight from Sydney was due to land in Auckland this morning but had to be sent to Wellington.
No domestic flights were affected and fog restrictions were lifted at 5am.
Cloudy, showery conditions are expected for the last day of the Matariki weekend in the upper half of the North Island.
In Northland, showers are forecast to increase this morning and there could be thunderstorms and hail, before conditions ease this evening.
After the foggy start to the day, Auckland is expected to have a few showers, possibly heavy in western areas. Similar conditions are expected in Coromandel, Bay of Plenty and Taupō.