Rain,rain likely tomorrow
European, the American and the German model agree on a high near 14° in Upper Hutt today. Tomorrow looks rain around 13°, with a 100% chance of rain.
Upper Hutt, New Zealand. Below we compare what European, American, German forecast for Upper Hutt right now and flag exactly where they disagree, then break down Upper Hutt'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.
Here is Upper Hutt'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 Upper Hutt by season.
Upper Hutt runs from warm summers, with January highs near 21°C, to cool winters, when August lows sit around 6°C (a swing of about 15°C across the year). August is usually the wettest month, and Upper Hutt sees roughly 1545 mm of precipitation annually.
The most comfortable time to visit Upper Hutt is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.
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 Upper Hutt, scoring 83/100 on our CheckWeather Score, ahead of the German at 79. See the full NZ accuracy scoreboard for exactly how every model is tested.
The 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.