A front pushes northwards over the South Island during Wednesday then onto the North Island overnight, preceding the front is a strong northwesterly airflow then changing cold southwest in behind.
Northland, Auckland, Waikato & Bay Of Plenty
Sunny spells and increasing cloud, cloud thickens and lower from late afternoon at which point there may be a light shower or two. Rain moves in overnight. Northwesterly winds.
Highs: 17-19
Western North Island (including Central North Island)
Mostly cloudy, chance of a spit or two. Later in the evening rain moves in with heavy falls possible before easing overnight, breezy northwesterlies change southwest overnight.
Highs: 14-17
Eastern North Island
Mostly sunny with increasing high cloud, rain moves into the Wairarapa later in the evening then pushes northwards overnight. Increasing northwesterlies then changing southwest overnight.
Cloudy, the odd shower from midday then late evening rain. Strong northwesterly winds gusting to gale at times then changing southerly overnight.
High: 16
Marlborough & Nelson
Thick high cloud, north to northwesterly winds becoming gusty around midday. Some rain for Nelson in the evening then clearing overnight, only a few spots spread into Marlborough in the evening. Later in the evening or overnight a southwest change brings showers for Marlborough.
High cloud with northwesterly winds, strong about inland areas where winds may gust to gale. During the afternoon a southwest change moves through bringing showers then some rain which clears overnight then becoming frosty.
A band of heavy rain about South Westland spreads into North Westland by midday, heavy rain likely to last for a period of 3 to 4 hours then easing to showers as gusty northwesterly winds change southwest.
Highs: 14-15
Southland & Otago
Morning rain then easing to showers which clear later in the evening or overnight, westerlies tend cold southwest around midday. There may be some snow lower to 600m for a brief time in the evening before clearing however not much if any will settle to that level.
Highs: 11-13
By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz
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