17/11/2025
Covering period of Monday 17th - Thursday 21st November

• Heavy rain warnings and watches for the central North Island, and west coast of the South Island.
• Uncomfortably warm nights, cloudy and humid.
• Clearer skies for most of the country Wednesday evening into Thursday.

MetService is forecasting a wet start to the week for much of the country, with warm and muggy temperatures. Conditions improve from later in the week, with Thursday looking like the pick of the bunch.

Heavy rain watches and warnings are out for the west coast of the South Island and the Canterbury and Otago headwaters from Monday night into Tuesday. For the central and northern North Island, heavy rain watches and warnings start from Tuesday afternoon, from the Coromandel Peninsula and Bay of Plenty to Taranaki. Bay of Plenty in particular could see 150-200mm of rain in 21 hours, with a moderate risk of upgrade to a Red Warning.

Rain will affect much of the country through to Wednesday – Northland and Auckland in particular will want to keep an eye out for heavier falls from Tuesday afternoon, even if amounts aren’t currently forecast to reach warning levels.

Conditions may be touch and go for the Black Caps ODI in Napier on Wednesday. Metservice meteorologist Braydon White says, “Wednesday could be quite wet in Hawke’s Bay, so cricket fans will be watching with trepidation to see if the rain will clear in time for some play.”

With all the rain comes some warm and muggy nights, with overnight minimums in the high teens across the North Island. Daytime temperatures won’t be much warmer, with highs in the low to mid 20s.
“Warm temperatures combined with high humidity and gloomy skies will feel uncomfortable for many,” warns White. The South Island will see more typical November temperatures, with warm daytime highs reaching 27 degrees Celsius in Canterbury and overnight lows in the low teens or even single digits.

Conditions look to improve towards Thursday with clearer skies for many, but temperatures remain elevated, and a front arrives in the far south in the afternoon which brings some rain.

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