October in Porirua averages a daily high of 15.9°C with nights around 9.8°C. Expect roughly 12.8 wet days totalling 88.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Porirua is December–March.
Based on WELLINGTON AERO AWS, NZ (22.6km), 1995–2024. 16 years of October data.