Metservice has forecast possible heavy and thundery rain easing to showers in the evening. A southerly could rise to gale-force in exposed places.
There are 46 teams taking part in the festival, 44 of them from New Zealand, including three from Wellington. There is a team each from the Australian cities of Perth and Sydney.
While Te Matatini has gone ahead today, another big event for the region, Wings over Wairarapa, has been canned.
A mix of low cloud, wind and rain has made the final day unsafe for the public and pilots.
Te Mātārae I Orehu Mōtai Tanagata Rau, Te Kapa Haka o Te Whānau a Apanui Ngā Tumanako Tūhourangi Ngāti Wāhiao, Te Pou o Mangataawhiri, Whāngārā Mai Tawhiti, Te Iti Kahurangi Te Pikikotuku o Ngāti Rongomai.