A low pressure system to the northeast of the North Island and a high pressure system to the southeast of the South Island are combining to push an easterly quarter airflow over the country. So naturally many eastern areas are looking to be cloudy tonight with rain, showers and or drizzle all possible. In the west of both islands, skies are relatively dry, mainly Fiordland could see some damp weather later tonight.

Auckland & Northland
Mainly clear with a few clouds about, light winds tend southerly.
Lows tonight: 7-8

Bay Of Plenty, Waikato & Central North Island
A few showers this evening, especially about the Central North Island, clearing later. Skies overnight mainly clear with some cloud. Light winds.
Low tonight: 5-7

Eastern North Island
Showers passing through from time to time, east to southeast winds.
Low tonight: 9

Western North Island
Cloudy periods with east to southeast winds, chance of a shower later in the night. Skies about northern Taranaki should be mostly clear.
Lows tonight: 7-9

Wellington
Cloudy with the odd shower, east to southeast winds.
Low tonight: 10

Nelson
Cloudy with the odd shower, dry spells too. Light southeasterlies.
Lows tonight: 8-9

Marlborough
Periods of rain with east to southeast breezes.
Low tonight: 8

Canterbury
Patchy rain or drizzle with easterly breezes.
Low tonight: 8

West Coast
Clear spells and some cloud, easterly breezes. Overnight patchy rain or drizzle develops about Fiordland.
Lows tonight: 7-9

Coastal Otago
Drizzle patches with east to northeast winds.
Lows tonight: 8-9

Central Otago
Cloud increases overnight, northeasterlies.
Lows tonight: 3-4

Southland
Mainly clear, some high cloud develops overnight. East to northeast winds.
Low tonight: 4

Homepage image / The Weather Company satellite image, 18th August 4:15pm – weather.com

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