A low pressure system gradually rotates onto New Zealand later today with the centre crossing central New Zealand overnight. Rain or showers for most regions today.

Northland, Auckland, Waikato & Bay Of Plenty
Sunny spells, a few showers. Heavy morning rain for Waikato and Bay Of Plenty eases. Late afternoon or evening showers may beef up especially out west as gusty northerlies tend northwest.
Highs: 15-18

Western North Island (including Central North Island)
Morning rain, easing in the afternoon with a chance of sun breaking through. Rain moves back into Taranaki late afternoon then spreading elsewhere by midnight. East to northeasterly winds, strong to gale for coastal Taranaki.
Highs: 13-17

Eastern North Island
Rain, clearing in the afternoon and sun developing as breezy northeasterlies ease. Overnight spits or showers move into Wairarapa spreading from the west.
Highs: 15-18

Wellington
Rain in the morning, possibly heavy, easing in the evening. Another burst of rain moves in at night. Easterly winds.
Highs: 15-17

Marlborough & Nelson
Rain in the morning and at night, possibly heavy, patchy showers otherwise. Southeasterly winds.
Highs: 12-15

Canterbury
Rain (possibly heavy) eases towards midday, parts of North Canterbury may dry up in the afternoon. Parts of South Canterbury may continue to see persistent rain for much of today. Snow above 800 to 900m for the Mackenzie Country. Easterlies.
Highs: 5-12

West Coast
Morning rain then drying out in the afternoon with some sun breaking through, overnight rain or showers moves back in north of Greymouth. Southeasterly winds.
Highs: 11-17

Southland & Otago
Rain, persistent for coastal Otago. Breezy east to southeasterly winds, strong about the coast. Snow above about 700 to 800m.
Highs: 8-9