Weather Forecast for Hamilton46m above sea level
Rain. Fairly breezy Nor'East winds.
Now
Tonight
Tomorrow
Next 24 Hours in Hamilton
Next 9 Days in Hamilton
Day
Night
16km/h
chance
of rain
27.5mm
Day
Night
16km/h
chance
of rain
trace
Day
Night
16km/h
chance
of rain
trace
Day
Night
16km/h
chance
of rain
trace
Day
Night
16km/h
chance
of rain
2.2mm
Day
Night
15km/h
chance
of rain
2.1mm
Day
Night
19km/h
chance
of rain
4.2mm
Day
Night
18km/h
chance
of rain
10.1mm
Day
Night
19km/h
chance
of rain
4.4mm
Comments
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Latest Video
NZ: Warmer week for most, heavy rain risks despite large dry areas
We’re in between highs this week which means NZ has warmer, subtropical, winds in the mix – but also some…
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josh on 17/11/2025 10:03pm
here we go again with the atmospheric river thing? what does that mean? “atmospheric river”?
Reply
Sylvia on 14/11/2025 5:35am
Hi Phil, do you know what is causing the highs to drag subtropical air from islands like New Caledonia and causing the higher than average temperatures for this time of year?
Not sure if La Nina encourages this type of setup, but this spring really is hotter than average. Hopefully it would not be as much of a hotter than average summer, but I have a feeling it might be.
Reply
WW Forecast Team on 16/11/2025 11:12pm
Hi Sylvia, high pressure zones are bit like bubbles floating on the surface of water and they generally are guided by the current high up – called the jetstream (high altitude winds north and south of NZ usually). When the polar jet stream sinks south, the high pressure zones go south too – when the jet stream goes north, so do the highs. In spring we get a lot of ups and downs like this and is unrelated to La Nina, although LN can see the tropical jetstream sink southwards bringing more low pressure with it towards NZ (and more easterlies).
Our hottest weather in NZ usually comes from a nor’wester out of Australia’s desert (or NSW/Qld area) and for that to happen high pressure is usually north of NZ. Spring will continue to see the highs all mixed up (chaotic) and usually in summer they join up more often bringing longer spells of calm/dry (although with NZ being so small compared to high pressure zones we can always buck the trend here).
– Phil D
Reply
Richard Hooper on 12/11/2025 8:35pm
Hi Phil.
I’m looking at the Hamilton Forecast (other cities as well) for next week and these high temperatures must be close to meet the NZ Met requirements of an official heatwave. (+5 c for 5 days). Is that correct? Are the high sea temperatures anomalies around the NI and in the North Tasman sea a major cause? If so I would have thought the media dramatists would be all over this by now.
Cheers, and keep up the good work.
Reply
Allie H on 12/11/2025 12:38am
Hey guys,
I just wanted to say you guys do an amazing job. WW is my go to for weather forecasting over and above the met service. The vast majority of the time you guys are spot on, and have saved so many wasted trips with the family so I genuinely am thankful.
Keep up the amazing work,
Kind regards
Allie
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