https://kauwhatareo.govt.nz/ has the correct pronunciation of the books that are in schools.
https://www.kauwhatareo.govt.nz/en/collections/reo-tupu/
https://www.kauwhatareo.govt.nz/en/resource/ko-aniwaniwa-aniwaniwa
https://www.kauwhatareo.govt.nz/en/resource/ko-aniwaniwa/#
https://www.kauwhatareo.govt.nz/en/resource/kepapa-huarakau/#
I can not find the weather book online.