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Brief Forecast for all New Zealand
Valid to Midnight Sunday, 20-Sep
Northland to Waitomo, including Taupo and Bay of Plenty
Scattered showers, clearing to fine this afternoon.
Gisborne and Hawke's Bay
Showers becoming isolated late morning then clearing to fine in the evening.
Taranaki to Kapiti Coast, including Taumarunui and Taihape
Increasing fine spells, but isolated showers until late afternoon.
Wellington and Wairarapa, also Marlborough and Nelson
Scattered showers clearing to fine this morning, but isolated showers lingering in Wairarapa until evening.
Buller to Westland
Mainly fine. A few showers north of Greymouth clearing by evening.
Canterbury and North Otago
Fine.
Southland, Fiordland and Otago excluding North Otago
Scattered showers, contracting to Southland, Clutha and southern Fiordland late morning, then clearing Clutha and Southland this afternoon. Gale westerlies in Southland, Clutha and Fiordland, easing this morning.
Chatham Islands
Rain, possibly heavy, clearing late afternoon, but the odd shower possible.
Outlook for following three days
Monday
North Island: Mostly cloudy in the west, with few showers. Mainly fine elsewhere.
South Island: Isolated showers in the south and west, turning to rain later with snow to 500 metres in the south. Mainly fine in the north and east, then scattered evening rain in South Canterbury.
Tuesday
North Island: A few showers in the west, then rain developing everywhere, easing later.
South Island: Rain or showers, easing in the north later. Snow possible to 500 metres in the south.
Wednesday
North Island: Mainly fine in Northland. A few showers elsewhere, mainly in the west.
South Island: Showers in the south. Isolated showers elsewhere.
Chatham Islands
Isolated showers on Monday. Mainly fine on Tuesday, but rain for a time in the evening. A few showers on Wednesday. Southwesterlies turning northwest on Monday, then changing southwesterly again later Tuesday.
Issued: 7:36am Sunday 20 Sep 2026