Lockwood Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lockwood Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lockwood Reservoir today is 21.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 24 | 21.1°C | 21.5°C | |
| JUN 25 | 21.1°C | 21.5°C | |
| JUN 26 | 21.1°C | 21.5°C | |
| JUN 27 | 22.5°C | 21.5°C | |
| JUN 28 | 22.5°C | 21.5°C | |
| JUN 29 | 22.6°C | 21.5°C | |
| JUN 30 | 22.7°C | 21.5°C | |
| JUL 1 | 21.5°C | 24.0°C | |
| JUL 2 | 24.0°C | 21.5°C | |
| JUL 3 | 24.0°C | 21.7°C | |
| JUL 4 | 24.0°C | 21.8°C | |
| JUL 5 | 24.0°C | 21.9°C | |
| JUL 6 | 24.0°C | 22.1°C | |
| JUL 7 | 24.0°C | 22.2°C | |
| JUL 8 | 24.0°C | 22.3°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 | 3°C | 7°C | 10°C |
| February | 4°C | 8°C | 11°C |
| March | 6°C | 10°C | 13°C |
| April | 9°C | 13°C | 17°C |
| May | 11°C | 17°C | 22°C |
| June | 14°C | 22°C | 28°C |
| July | 19°C | 24°C | 29°C |
| August | 18°C | 23°C | 28°C |
| September | 16°C | 21°C | 26°C |
| October | 11°C | 15°C | 19°C |
| November | 4°C | 9°C | 13°C |
| December | 4°C | 8°C | 11°C |
Lockwood Reservoir: Water Temperature by Location
Lockwood Reservoir: Weather Forecast
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Location & Local Information
#Greater London
Lockwood Reservoir’s surface temperatures follow the seasonal patterns typical of reservoirs in Greater London. In winter the water usually sits around 4–8 °C (39–46 °F), rising through spring to roughly 6–14 °C (43–57 °F). By summer the temperature can climb to about 15–22 °C (59–72 °F) on warmer days, then fall back through autumn toward the 10–15 °C (50–59 °F) range. Local conditions such as air temperature, sunlight, wind and inflow can cause variation from year to year, and deeper or shaded sections stay noticeably cooler than exposed shallows.
Swimming in Lockwood Reservoir is generally not permitted; it is managed as part of the capital’s water infrastructure and restrictions are in place for safety, water quality and operational reasons. While open-water bathing is discouraged, the area remains attractive for walking, cycling and birdwatching. Nearby green spaces and waterways within the Lea Valley, including extensive wetland reserves and riverside paths, offer alternatives for outdoor recreation and wildlife viewing without entering the reservoir itself.