A cold front pushes northwards over New Zealand today, northwesterlies ahead of the front then changing colder southwest in behind.

Northland, Auckland, Waikato & Bay Of Plenty
Areas of cloud and occasional sun, may be an isolated shower or two about also.  A period of rain overnight as northwesterlies change southwest.
Highs: 16-19

Western North Island (including Central North Island)
Mostly cloudy with the odd shower, rain moves in late afternoon. Northwesterlies change southeast in the evening then rain clears overnight.
Highs: 14-18

Eastern North Island
Mostly sunny with some developing high cloud, rain moves into Wairarapa in the afternoon then Hawkes Bay / Gisborne in the evening as northwesterlies change southwest.
Highs: 18-23

Wellington
Dry then afternoon rain as strong northwesterly winds change cooler southerly, rain clears late evening.
High: 14

Marlborough & Nelson
A dry morning with high cloud, rain develops around midday as north to northwesterly winds change gusty southerly. Rain clears evening.
Highs: 16-19

Canterbury
Morning rain, easing to showers in the afternoon then clearing evening. Snow lowers to 300m before clearing. Fresh southwesterly winds.
Highs: 9-13

West Coast
Morning rain with heavy falls then clearing in the afternoon as northwesterlies change southwest, sun breaks through once rain clears.
Highs: 12-14

Southland & Otago
Early rain eases to the odd shower, becoming less frequent during the day and clearing evening. Sun breaks through at times from afternoon. A few snow flurries to 300 or possibly even 200m. Cold southwesterlies die out overnight.
Highs: 9-10

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz