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 18.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 6 | 18.6°C | 22.0°C | |
| AUG 7 | 18.6°C | 22.0°C | |
| AUG 8 | 18.6°C | 22.0°C | |
| AUG 9 | 18.6°C | 22.0°C | |
| AUG 10 | 18.1°C | 22.0°C | |
| AUG 11 | 18.1°C | 22.0°C | |
| AUG 12 | 18.1°C | 22.0°C | |
| AUG 13 | 18.1°C | 22.0°C | |
| AUG 14 | 22.0°C | 18.3°C | |
| AUG 15 | 22.0°C | 18.5°C | |
| AUG 16 | 22.0°C | 18.7°C | |
| AUG 17 | 22.0°C | 18.9°C | |
| AUG 18 | 22.0°C | 19.1°C | |
| AUG 19 | 22.0°C | 19.3°C | |
| AUG 20 | 22.0°C | 19.5°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 | 17°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
August 14
August 15
August 16
August 17
August 18
August 19
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.