Bassenthwaite Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bassenthwaite Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bassenthwaite Lake today is 12.7°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 |
|---|---|---|---|
| SEP 16 | 14.1°C | 19.0°C | |
| SEP 17 | 14.0°C | 19.0°C | |
| SEP 18 | 14.0°C | 19.0°C | |
| SEP 19 | 13.7°C | 19.0°C | |
| SEP 20 | 13.5°C | 19.0°C | |
| SEP 21 | 13.4°C | 19.0°C | |
| SEP 22 | 13.3°C | 19.0°C | |
| SEP 23 | 12.7°C | 19.0°C | |
| SEP 24 | 19.0°C | 13.0°C | |
| SEP 25 | 19.0°C | 13.3°C | |
| SEP 26 | 19.0°C | 13.6°C | |
| SEP 27 | 19.0°C | 14.0°C | |
| SEP 28 | 19.0°C | 14.3°C | |
| SEP 29 | 19.0°C | 14.6°C | |
| SEP 30 | 19.0°C | 14.9°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 | 1°C | 5°C | 8°C |
| February | 1°C | 5°C | 8°C |
| March | 3°C | 7°C | 10°C |
| April | 6°C | 10°C | 13°C |
| May | 10°C | 15°C | 21°C |
| June | 13°C | 20°C | 26°C |
| July | 16°C | 22°C | 27°C |
| August | 15°C | 22°C | 27°C |
| September | 13°C | 19°C | 24°C |
| October | 9°C | 13°C | 17°C |
| November | 5°C | 9°C | 12°C |
| December | 0°C | 4°C | 8°C |
Bassenthwaite Lake: Water Temperature by Location
Bassenthwaite Lake: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
#Cumbria
Bassenthwaite Lake in Cumbria is a relatively shallow, exposed waterbody, so surface temperatures vary noticeably through the year. In winter the lake typically chills to around 1–6 °C (34–43 °F), spring often brings 4–12 °C (39–54 °F), summer surface temperatures commonly reach 12–18 °C (54–64 °F) on warmer spells, and autumn cools back toward 6–12 °C (43–54 °F). These are approximate surface readings; deeper or shaded areas stay colder and weather can change conditions quickly. Cold water shock and rapid temperature changes are real risks even in summer.
Wild swimming is commonly practiced here but there are no formal supervised swimming areas, so it is allowed in the sense that people do swim, not because of organised provision. Swimmers need to take care because of low temperatures, occasional boat traffic and areas of ecological sensitivity around the lake; some shorelines are managed for birds and other wildlife, so local guidance or signage should be checked. Nearby attractions include the market town of Keswick, the Skiddaw fells, Whinlatter Forest Park and other Lake District walks and lakes, offering plenty to do before or after a swim.