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Heavy frosts for inland South Island this weekend as parts of Auckland have double digit overnight lows

From one end of New Zealand to the other, there will be wide range of temperatures this weekend.

Some of the heaviest frosts so far of 2020 are likely across the South Island with frosts expected in all regions, mainly inland.

But in Southland frosts are expected to affect coastal areas with lows down to -1C in coastal zones and -3C inland.

Further into the mountains and areas like Tekapo will likely drop to around -5C overnight Saturday and -3 or -4C possibly across parts of the Canterbury plains. Darfield currently has a low of -3 on Saturday night and Ashburton -1.

Light frosts will stretch to coastal parts of Otago and Canterbury but some coastal fringes may just have enough of a breeze to limit frosts for all.

Meanwhile, the North Island looks milder the further north you go.

Hutt Valley in Wellington could drop to +2C this weekend and +1 for Wairarapa and parts of Manawatu. Borderline frost territory. Taupo gets down to +2 and Rotorua +3…so again some light frosts may be possible in some sheltered spots.

However parts of the upper North Island are in the double digits for overnight lows this weekend, or at least very close to the +10 degree mark. Auckland City dips down to 11 degrees on Sunday night, some further rural areas of the region may get down to 4 degrees. Other northern centres have lows between +11 and +8C degrees this weekend in the north.

Milder winds return next week, some with sub-tropical connections.

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ANDREW on 10/06/2020 9:13pm

Any commentary on NIWA announcing -15c in some valleys this weekend, which Metservice say it’s chilly but it is winter and not out of the ordinary?
And did you see the Herald announcing record low temps last week in the headlines, when the text was ‘coldest of the year so far’.
It’s great to have some chill arriving. Might be a decent year for some Naseby curling.

WW Forecast Team on 10/06/2020 10:58pm

-15C is possible up in the mountains. We could even say -20 on the top of Mt Cook but it’s all irrelevant if NIWA is only leading with extreme temps in remote places where no one can live or work. Not sure where -15 is, most main centres like Queenstown and Tekapo are heading for -3 or -5 (maybe -6 or -7 here and there). We don’t monitor Niwa forecasts as they are climate experts not weather experts and have a pattern of making huge headlines and being entirely wrong with weather – so many times now we’ve lost count. They did this last year when they forecast major Antarctic blasts for spring – which never turned up.

When it comes to Government forecasters – Keen an eye on MetService – they have their heads around what is normal and what is not. Niwa specialises in clickbait headlines from two American guys who are directly competing against MetService (public tax dollars vs tax dollars).

Phil D

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