WeatherWatch advised that a low pressure system will bring unsettled conditions to most of New Zealand today.

'Parts of the West Coast and central South Island down through to Southland may have a mainly dry day however,” says weather analyst Aaron Wilkinson.

For Northland, Auckland, Waikato and the Bay of Plenty, showers are expected.

'There may be an isolated heavy fall with thunder in the afternoon then easing in the evening.”

Rain is also expected to be more persistent and consistent about the Bay Of Plenty during the day then easing in the evening. Northeasterly winds and northwesterlies will develop about Northland and Auckland from the afternoon. Northland, Auckland, Waikato and the Bay of Plenty should experience a high of 16 to 18 degrees.

For the remainder of the country:

Western North Island (including Central North Island)
Mostly cloudy, the odd shower at times but long dry spells too. Taranaki has a higher chance of showers. East to northeasterly winds.
Highs: 13-17

Eastern North Island
Patchy rain or drizzle, easing in the evening. Northeasterly winds.
Highs: 15-17

Wellington
Mostly cloudy, the odd shower or drizzle patch possible. Easterly winds.
Highs: 14-15

Marlborough & Nelson
Cloudy with patchy rain or drizzle, rain becoming more persistent overnight about Nelson. Light winds.
Highs: 13-14

Canterbury
Mostly cloudy about the Canterbury Plains, some drizzle possible (especially about Banks Peninsula). Inland about the Mackenzie Basin and high country expect sunny areas and some high cloud. East to northeasterly winds.
Highs: 10-13

West Coast
Mostly cloudy, some sun may break through in the afternoon for North Westland. Drizzle about Fiordland then overnight rain spreads to all areas. Light winds.
Highs: 13-16

Southland & Otago
Mostly sunny with some high cloud, a chance of fog about inland valleys / basins especially morning and night. Light winds. Coastal Otago has cloudy areas, some drizzle possible also mainly morning, northeast winds.
Highs: 7-13