Water temperature in Loch Ness

This data the coastal Loch Ness water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Loch Ness

Water temperature in Loch Ness today is 10°C. Based on our historical data over a period of ten years, the warmest water in this day in Loch Ness was 15°C, and the coldest was recorded in 2024 at 9°C. Water temperature in Loch Ness is expected to rise to 10.8°C in the next 10 days. September average water temperature in Loch Ness is 13.3°C, the minimum temperature is 8°C, and the maximum is 18°C.

Throughout the year, the water temperature in Loch Ness does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Loch Ness in winter reaches 4.7°C, in spring 7.4°C, in summer the average temperature rises to 14.5°C, and in autumn it is 10.1°C.

Loch Ness water temperature now

Current temperature and weather

Data in a table show Loch Ness temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Loch Ness.

0-3 h	3-6 h	6-9 h	9-12 h
1.7°C	2.6°C	2.2°C	9.4°C

12-15 h	15-18 h	18-21 h	21-24 h
13.8°C	14.4°C	9.2°C	5.9°C

Loch Ness water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Loch Ness. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Loch Ness on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Loch Ness

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Our report for Loch Ness is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.