River Ness — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the River Ness, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the River Ness today is 14.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 |
|---|---|---|---|
| AUG 26 | 15.5°C | 17.0°C | |
| AUG 27 | 15.5°C | 17.0°C | |
| AUG 28 | 15.5°C | 17.0°C | |
| AUG 29 | 15.5°C | 17.0°C | |
| AUG 30 | 15.8°C | 17.0°C | |
| AUG 31 | 15.8°C | 17.0°C | |
| SEP 1 | 14.9°C | 13.0°C | |
| SEP 2 | 15.5°C | 13.0°C | |
| SEP 3 | 13.0°C | 14.1°C | |
| SEP 4 | 13.0°C | 14.1°C | |
| SEP 5 | 13.0°C | 14.0°C | |
| SEP 6 | 13.0°C | 14.0°C | |
| SEP 7 | 13.0°C | 13.9°C | |
| SEP 8 | 13.0°C | 13.8°C | |
| SEP 9 | 13.0°C | 13.8°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 | 2°C | 5°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 3°C | 7°C |
| April | 3°C | 7°C | 10°C |
| May | 8°C | 12°C | 17°C |
| June | 11°C | 16°C | 20°C |
| July | 13°C | 18°C | 22°C |
| August | 12°C | 17°C | 21°C |
| September | 9°C | 13°C | 18°C |
| October | 5°C | 9°C | 11°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 4°C | 7°C |
River Ness: Water Temperature by Location
River Ness: Weather Forecast
September 3
September 4
September 5
September 6
September 7
September 8
Location & Local Information
Source:
• location Loch Dochfour
• coordinates 57°25′30″N 4°18′45″W
Mouth:
• location Moray Firth
• coordinates 57°29′43″N 4°14′10″W
Length 6.2 mi (10.0 km)
The River Ness, which flows from Loch Ness and through Inverness before meeting the Moray Firth, is fed by the deep, cold waters of the loch, resulting in a perpetually low temperature. Throughout the year, the river is significantly cold, with summer surface temperatures perhaps reaching a maximum of around 10∘C to 12∘C (50∘F to 54∘F) on a warm day. In the winter, the temperature remains stubbornly cold, often sitting in the range of 5∘C to 8∘C (41∘F to 46∘F).
Recreational swimming in the River Ness itself is generally not encouraged. While there are no outright bans, the combination of very cold temperatures—posing a serious risk of cold water shock and hypothermia—and strong currents, especially at certain points, makes it hazardous for casual bathers. For those seeking safe wild swimming, there are numerous shallower and slightly warmer lochs nearby. The river's banks, however, offer beautiful walks, particularly around the Ness Islands, and close by you can explore the historic Inverness Castle viewpoint, Inverness Cathedral, and the famous Loch Ness itself.