Blackstone Edge Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Blackstone Edge Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Blackstone Edge Reservoir today is 9.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 |
|---|---|---|---|
| OCT 7 | 10.1°C | 13.0°C | |
| OCT 8 | 9.8°C | 13.0°C | |
| OCT 9 | 9.8°C | 13.0°C | |
| OCT 10 | 9.2°C | 13.0°C | |
| OCT 11 | 9.8°C | 13.0°C | |
| OCT 12 | 8.8°C | 13.0°C | |
| OCT 13 | 8.7°C | 13.0°C | |
| OCT 14 | 8.6°C | 13.0°C | |
| OCT 15 | 13.0°C | 9.3°C | |
| OCT 16 | 13.0°C | 9.5°C | |
| OCT 17 | 13.0°C | 9.7°C | |
| OCT 18 | 13.0°C | 9.9°C | |
| OCT 19 | 13.0°C | 10.1°C | |
| OCT 20 | 13.0°C | 10.3°C | |
| OCT 21 | 13.0°C | 10.5°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 | 2°C | 6°C | 9°C |
| April | 6°C | 10°C | 13°C |
| May | 8°C | 15°C | 21°C |
| June | 12°C | 19°C | 26°C |
| July | 15°C | 21°C | 27°C |
| August | 15°C | 21°C | 26°C |
| September | 12°C | 18°C | 23°C |
| October | 9°C | 13°C | 17°C |
| November | 3°C | 8°C | 11°C |
| December | 1°C | 5°C | 8°C |
Blackstone Edge Reservoir: Water Temperature by Location
Blackstone Edge Reservoir: Weather Forecast
October 15
October 16
October 17
October 18
October 19
Location & Local Information
#Greater Manchester
Blackstone Edge Reservoir sits high on the Pennine fringe above Rochdale, so its water stays relatively cold year-round. Typical surface temperatures range from about 1–6 °C (34–43 °F) in winter, rising to roughly 4–12 °C (39–54 °F) in spring. In summer the reservoir may reach 12–18 °C (54–64 °F) on warmer spells, while autumn generally cools back to roughly 6–12 °C (43–54 °F). Wind, depth and rainfall can all cause rapid changes in temperature, and the upland location means even summer swims can feel brisk.
Swimming at Blackstone Edge is not actively promoted and may be restricted by the landowner or water company; there are no lifeguards and submerged hazards, cold-water shock risk and variable water quality make it potentially hazardous. Some experienced wild swimmers do visit, but local signage and permissions should be checked and caution taken. For alternatives and other activities, the gritstone ridge of Blackstone Edge offers walking and scrambling, nearby Pennine moorland provides wildlife and views, and Hollingworth Lake and the Rochdale Canal are popular for more managed water-based recreation.