Lake Windermere — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Windermere, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Windermere today is 13.5°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 15 | 14.8°C | 19.0°C | |
| SEP 16 | 14.8°C | 19.0°C | |
| SEP 17 | 15.0°C | 19.0°C | |
| SEP 18 | 14.7°C | 19.0°C | |
| SEP 19 | 14.4°C | 19.0°C | |
| SEP 20 | 14.3°C | 19.0°C | |
| SEP 21 | 14.1°C | 19.0°C | |
| SEP 22 | 14.1°C | 19.0°C | |
| SEP 23 | 19.0°C | 13.8°C | |
| SEP 24 | 19.0°C | 14.1°C | |
| SEP 25 | 19.0°C | 14.3°C | |
| SEP 26 | 19.0°C | 14.6°C | |
| SEP 27 | 19.0°C | 14.9°C | |
| SEP 28 | 19.0°C | 15.2°C | |
| SEP 29 | 19.0°C | 15.4°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 | 14°C | 20°C | 26°C |
| July | 16°C | 22°C | 27°C |
| August | 16°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 | 3°C | 3°C | 8°C |
Lake Windermere: Water Temperature by Location
Lake Windermere: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
#Cumbria
Windermere’s water remains relatively cool throughout the year. Typical surface temperatures in winter sit around 4–7 °C (39–45 °F), spring rises to about 6–12 °C (43–54 °F), summer commonly reaches 14–20 °C (57–68 °F) on warmer days, and autumn usually falls back to roughly 8–14 °C (46–57 °F). Weather and depth affect these figures, so sheltered bays can be a degree or two warmer while deeper central parts stay colder even in summer.
Swimming in Windermere is permitted and enjoyed by wild swimmers, but it is not uniformly supervised; some popular beaches and slips have seasonal lifeguards or patrols, while most open-water spots are unsupervised. Caution is advised because cold-water shock, strong undercurrents, boat traffic and changeable conditions present risks. Many swimmers use wetsuits, swim with companions and follow local guidance. Nearby attractions include the lakeside town of Bowness-on-Windermere, the village of Ambleside, Grizedale Forest and numerous Lake District walks and viewpoints that make a visit varied even if you prefer only a brief dip.