Northampton — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Northampton, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Northampton today is 20.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 16 | 23.6°C | 18.8°C | |
| JUL 17 | 21.1°C | 18.8°C | |
| JUL 18 | 21.0°C | 18.8°C | |
| JUL 19 | 21.0°C | 18.8°C | |
| JUL 20 | 21.0°C | 18.8°C | |
| JUL 21 | 20.1°C | 18.8°C | |
| JUL 22 | 20.1°C | 18.8°C | |
| JUL 23 | 20.1°C | 18.8°C | |
| JUL 24 | 18.8°C | 20.0°C | |
| JUL 25 | 18.8°C | 20.0°C | |
| JUL 26 | 18.8°C | 19.9°C | |
| JUL 27 | 18.8°C | 19.8°C | |
| JUL 28 | 18.8°C | 19.8°C | |
| JUL 29 | 18.8°C | 19.7°C | |
| JUL 30 | 18.8°C | 19.6°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 3°C | 6°C |
| February | 0°C | 4°C | 7°C |
| March | 2°C | 6°C | 9°C |
| April | 6°C | 9°C | 12°C |
| May | 9°C | 14°C | 19°C |
| June | 12°C | 17°C | 22°C |
| July | 14°C | 19°C | 24°C |
| August | 14°C | 18°C | 23°C |
| September | 10°C | 15°C | 19°C |
| October | 8°C | 11°C | 14°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 8°C |
Northampton: Weather Forecast
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Northampton is a major hub on the River Nene, and while the river offers beautiful waterside walks and boating opportunities, its cold temperatures and safety concerns generally deter swimming. Throughout the year, the Nene’s water temperature fluctuates widely, with a seasonal range typical of an English river. Winter temperatures can drop to 3 to 7∘C (37 to 45∘F), making any immersion a risk of cold water shock. Even in the height of summer, the water only moderately warms to an average of 14 to 18∘C (57 to 64∘F).
Unregulated swimming in the River Nene at Northampton is not advised or encouraged. The primary navigation channel sees regular boat traffic, and as with many urban rivers, water quality can be variable. Instead, local enthusiasts for open water swimming are catered for at safer, managed locations nearby, such as Sywell Country Park or the private lakes at Castle Ashby, which offer designated swimming sessions. Away from the water, Northampton offers attractions like the historic 78 Derngate, the only house in England designed by Charles Rennie Mackintosh, and the Northampton Museum and Art Gallery, famous for its extensive collection of shoes.