Upper Hutt – current water temperature and swimming conditions
This page provides information about the current water temperature at Upper Hutt in Wellington Region. Here you can view recent temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. A 7-day water temperature forecast, local weather conditions, and an overview of swimming suitability are also included.
Current Water Temperature
The water temperature in Hutt River at Upper Hutt today is 16°C.
Water Temperature in Hutt River at Upper Hutt: Daily Trends, Historical Records, and Forecast
⚠️ A river temperature of 15 to 20°C is generally considered cool to comfortable for swimming in Australia. On warm, calm days, this range allows for relaxed swimming and longer time in the water. Comfort depends heavily on air temperature and sunshine, as cooler weather can still make the water feel chilly. This range is popular for river swimming during spring and early autumn.
Water Temperature Over the Last 30 Days
Water temperatures in Upper Hutt have been on a steady rise over the past month and have continued to climb over the last week.
According to our forecast, the water temperature in Upper Hutt will be 12.5°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 21 | 15.3°C | 12.0°C | |
| Mar 22 | 15.3°C | 12.0°C | |
| Mar 23 | 15.3°C | 12.0°C | |
| Mar 24 | 15.3°C | 12.0°C | |
| Mar 25 | 15.4°C | 12.0°C | |
| Mar 26 | 15.4°C | 12.0°C | |
| Mar 27 | 15.7°C | 12.0°C | |
| Mar 28 | 15.7°C | 12.0°C | |
| Mar 30 | 15.9°C | 12.0°C | 15.9°C |
| Mar 31 | 12.0°C | 15.4°C | |
| Apr 1 | 12.0°C | 14.9°C | |
| Apr 2 | 12.0°C | 14.4°C | |
| Apr 3 | 12.0°C | 14.0°C | |
| Apr 4 | 12.0°C | 13.5°C | |
| Apr 5 | 12.0°C | 13.0°C | |
| Apr 6 | 12.0°C | 12.5°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual river water temperatures may vary by several degrees from the reported values, particularly after heavy rainfall or periods of changing weather. Rainfall, river flow rates, and runoff from cooler upstream areas can significantly affect water temperature, especially in flowing sections and shaded stretches. Air temperature and cloud cover also play an important role, with warm, sunny conditions helping rivers warm up more quickly. As a result, noticeable temperature differences can occur along the same river.
Our forecast is based on a proprietary mathematical model that takes into account real-time river temperature changes, historical data, seasonal patterns, river flow conditions, recent rainfall, and local air temperature. We also factor in broader weather conditions specific to each region of Australia to improve accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 8°C | 13°C | 18°C |
| February | 9°C | 14°C | 19°C |
| March | 7°C | 12°C | 17°C |
| April | 6°C | 10°C | 14°C |
| May | 6°C | 10°C | 13°C |
| June | 4°C | 8°C | 12°C |
| July | 3°C | 7°C | 10°C |
| August | 4°C | 7°C | 10°C |
| September | 4°C | 8°C | 12°C |
| October | 4°C | 8°C | 12°C |
| November | 4°C | 9°C | 14°C |
| December | 7°C | 12°C | 17°C |
Upper Hutt: Weather Forecast
March 30
March 31
April 1
April 2
April 3
April 4
Location & Local Information
Upper Hutt, in the Wellington Region, lies along the middle reaches of the Hutt River as it flows from the Tararua Ranges towards Wellington Harbour. In this section, water temperatures reflect both upland sources and warmer valley conditions. During winter, the river near Upper Hutt is generally cool, averaging around 8–11°C. In spring, temperatures typically rise to between 12 and 16°C as air temperatures increase. Through summer, especially in January and February, calmer stretches and well-known swimming holes can warm to approximately 17–22°C on fine days. By autumn, temperatures usually ease back to around 13–17°C. Periods of heavy rain in the ranges can temporarily lower temperatures and raise river levels.
Swimming Conditions
Swimming is allowed in suitable parts of the Hutt River near Upper Hutt, and it is a popular local activity during warm summer weather. The most comfortable conditions are generally when water temperatures reach or exceed 18°C and flows are steady. However, swimmers should be mindful of moderate currents, deeper pools and shifting gravel beds. After significant rainfall, the river can rise quickly and water clarity may decrease, making swimming less suitable. Choosing recognised swimming spots and checking regional water quality information beforehand helps ensure a safer experience.