A westerly quarter airflow lies over the North Island on Tuesday, an early morning trough moves through from the west then overnight another frontal feature barrels in from the Tasman Sea to western parts of the North Island and perhaps upper South Island. The South Island sees a calmer spell of weather tomorrow with southwesterlies easing during the morning.

Upper North Island. Early showers, possibly heavy with hail (in the west) then easing to showers with dry spells gradually becoming longer during the day, sunny spells at times. Northland may be fairly dry for much of the day. Westerly winds.

Showers for the lower western North Island, some may be heavy with hail early morning then easing, clearing in the evening. Sunny spells at times. Overnight or more towards dawn on Wednesday a band of rain moves in, heavy with possible thunderstorms and hail, especially about Taranaki. A few snow flurries to 800m. Breezy west to northwesterly winds.

Mostly sunny for the east coast, some morning cloud / showers about the Wairarapa clear. West to northwesterly winds. A mix of sun and cloud about Wellington with northwesterly winds, some rain towards dawn on Wednesday.

Any early cloud clears about Nelson and Marlborough then mainly sunny, light winds. Overnight heavy rain with possible thunderstorms and hail moves over, Tasman and perhaps parts of the Marlborough Sounds look most likely to see this weather.

Sunny areas increase from morning about Canterbury, mainly sunny by midday. Southwesterly winds tend northeast in the evening. A frosty start for inland areas, especially inland South Canterbury.

Some morning sun about South Westland then cloud increases in the afternoon with the odd light shower possible from evening, light winds tend westerly after midday. North Westland sees the odd shower for much of the day, dry periods too. Overnight some rain may push through northern parts of Buller.

Mostly sunny about Southland and Central Otago with light winds, high cloud later in the day. Coastal Otago sees any early showers clear then sunny spells increase. Heavy frosts inland to start the day.