Porirua weather
Loading live data…Rain,rain likely tomorrow
European, the American and the German model agree on a high near 14° in Porirua today. Tomorrow looks rain around 12°, with a 100% chance of rain.
The weather map: all three models at once
European, American, German side by side around Porirua and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitPorirua, New Zealand. Below we compare what European, American, German forecast for Porirua right now and flag exactly where they disagree, then break down Porirua's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in New Zealand before you trust any single number.
Porirua weather by month
what to expect in Porirua through the yearHere is Porirua's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Porirua by season.
What Porirua's weather is like through the year
Porirua runs from warm summers, with January highs near 21°C, to cool winters, when July lows sit around 7°C (a swing of about 14°C across the year). May is usually the wettest month, and Porirua sees roughly 1238 mm of precipitation annually.
Best time to visit Porirua
The most comfortable time to visit Porirua is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest May rain is behind you.
Which forecast is most accurate in Porirua?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 237 cities. Lower error means a higher score. See which forecast model is most accurate in New Zealand, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Porirua, scoring 86/100 on our CheckWeather Score, ahead of the American at 84. See the full NZ accuracy scoreboard for exactly how every model is tested.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.