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 19.2°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 |
|---|---|---|---|
| JUL 16 | 19.7°C | 21.9°C | |
| JUL 17 | 19.7°C | 21.9°C | |
| JUL 18 | 19.7°C | 21.9°C | |
| JUL 19 | 19.7°C | 21.9°C | |
| JUL 20 | 19.7°C | 21.9°C | |
| JUL 21 | 19.2°C | 21.9°C | |
| JUL 22 | 19.2°C | 21.9°C | |
| JUL 23 | 19.2°C | 21.9°C | |
| JUL 24 | 21.9°C | 19.3°C | |
| JUL 25 | 21.9°C | 19.5°C | |
| JUL 26 | 21.9°C | 19.6°C | |
| JUL 27 | 21.9°C | 19.7°C | |
| JUL 28 | 21.9°C | 19.9°C | |
| JUL 29 | 21.9°C | 20.0°C | |
| JUL 30 | 21.9°C | 20.1°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 | 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 | 3°C | 3°C | 8°C |
Lake Windermere: Water Temperature by Location
Lake Windermere: Weather Forecast
July 24
July 25
July 26
July 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.