Bartley Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bartley Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bartley Reservoir today is 20.9°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 |
|---|---|---|---|
| AUG 6 | 20.6°C | 22.0°C | |
| AUG 7 | 20.6°C | 22.0°C | |
| AUG 8 | 20.6°C | 22.0°C | |
| AUG 9 | 20.6°C | 22.0°C | |
| AUG 10 | 20.9°C | 22.0°C | |
| AUG 11 | 20.9°C | 22.0°C | |
| AUG 12 | 20.9°C | 22.0°C | |
| AUG 13 | 20.9°C | 22.0°C | |
| AUG 14 | 22.0°C | 21.0°C | |
| AUG 15 | 22.0°C | 21.0°C | |
| AUG 16 | 22.0°C | 21.1°C | |
| AUG 17 | 22.0°C | 21.1°C | |
| AUG 18 | 22.0°C | 21.2°C | |
| AUG 19 | 22.0°C | 21.2°C | |
| AUG 20 | 22.0°C | 21.3°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 | 0°C | 4°C | 7°C |
| February | 1°C | 5°C | 8°C |
| March | 3°C | 7°C | 10°C |
| April | 7°C | 11°C | 14°C |
| May | 9°C | 16°C | 23°C |
| June | 12°C | 20°C | 26°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 12°C | 18°C | 23°C |
| October | 9°C | 13°C | 17°C |
| November | 4°C | 8°C | 11°C |
| December | 1°C | 5°C | 8°C |
Bartley Reservoir: Water Temperature by Location
Bartley Reservoir: Weather Forecast
August 14
August 15
August 16
Location & Local Information
#West Midlands (county)
Bartley Reservoir in the West Midlands typically has cool water year-round, with seasonal surface temperatures that reflect the region's temperate climate. Typical ranges are about 4–8°C (39–46°F) in winter, 6–14°C (43–57°F) in spring, 14–22°C (57–72°F) in summer and 8–15°C (46–59°F) in autumn. These figures can vary with weather, depth, and wind; shallow margins warm more quickly in sunny spells, while deeper water stays noticeably colder. Water clarity also changes through the year as algal growth and runoff vary.
Open-water swimming at Bartley Reservoir is generally restricted because many reservoirs form part of public water supply infrastructure and pose safety risks such as cold-water shock, submerged hazards and variable currents. Supervised events or club swims may be permitted with specific permissions and safety measures in place, so local signage and organisers should be consulted. The area is still attractive for walkers, birdwatchers and anglers, and is close to green spaces and local attractions in the Sandwell/Birmingham area, offering cycling routes, country parkland and other outdoor leisure opportunities.