Loch Calder — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Loch Calder, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Loch Calder today is 13.2°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 |
|---|---|---|---|
| JUN 3 | 14.0°C | 19.0°C | |
| JUN 4 | 14.0°C | 19.0°C | |
| JUN 5 | 14.0°C | 19.0°C | |
| JUN 6 | 14.0°C | 19.0°C | |
| JUN 7 | 13.7°C | 19.0°C | |
| JUN 8 | 13.7°C | 19.0°C | |
| JUN 10 | 13.7°C | 19.0°C | |
| JUN 11 | 19.0°C | 13.5°C | |
| JUN 12 | 19.0°C | 13.8°C | |
| JUN 13 | 19.0°C | 14.1°C | |
| JUN 14 | 19.0°C | 14.4°C | |
| JUN 15 | 19.0°C | 14.7°C | |
| JUN 16 | 19.0°C | 14.9°C | |
| JUN 17 | 19.0°C | 15.2°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 | 3°C | 6°C |
| March | 0°C | 4°C | 7°C |
| April | 4°C | 8°C | 11°C |
| May | 8°C | 13°C | 19°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Loch Calder: Water Temperature by Location
Loch Calder: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Loch Calder is a quiet freshwater lake in Caithness, in the far north of Scotland, surrounded by open farmland and gentle moorland hills. The loch’s exposed northern location and shallow depth mean its water temperature changes more noticeably with the seasons, though it remains cool overall. In winter, temperatures usually stay around 2–4 °C (36–39 °F), rising in spring to about 7–9 °C (45–48 °F). During summer, the water can reach 14–16 °C (57–61 °F) on calm, sunny days, especially near the shore, while deeper areas remain colder. By autumn, the loch gradually cools again toward 8–10 °C (46–50 °F), maintaining a crisp and refreshing feel typical of northern Scottish lakes.
Swimming in Loch Calder is allowed and often enjoyed by wild swimmers during the summer months when the water is at its warmest. The loch’s clear, calm surface makes it suitable for both short dips and longer swims, though wetsuits are recommended for comfort outside midsummer. The area is peaceful and sparsely populated, offering a sense of remoteness ideal for outdoor recreation. Fishing, kayaking, and birdwatching are also popular here. Nearby attractions include the town of Thurso, the Flow Country peatlands, and Dunnet Head, the northernmost point on the British mainland.