Rawtenstall — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Rawtenstall, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Rawtenstall today is 12.6°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 16 | 14.2°C | 16.0°C | |
| SEP 17 | 14.3°C | 16.0°C | |
| SEP 18 | 14.1°C | 16.0°C | |
| SEP 19 | 14.0°C | 16.0°C | |
| SEP 20 | 13.8°C | 16.0°C | |
| SEP 21 | 13.4°C | 16.0°C | |
| SEP 22 | 13.1°C | 16.0°C | |
| SEP 24 | 16.0°C | 12.8°C | |
| SEP 25 | 16.0°C | 12.9°C | |
| SEP 26 | 16.0°C | 13.1°C | |
| SEP 27 | 16.0°C | 13.3°C | |
| SEP 28 | 16.0°C | 13.5°C | |
| SEP 29 | 16.0°C | 13.6°C | |
| SEP 30 | 16.0°C | 13.8°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 | 9°C | 12°C |
| May | 9°C | 14°C | 18°C |
| June | 13°C | 18°C | 23°C |
| July | 15°C | 19°C | 24°C |
| August | 14°C | 18°C | 23°C |
| September | 11°C | 16°C | 20°C |
| October | 9°C | 12°C | 15°C |
| November | 4°C | 7°C | 11°C |
| December | 1°C | 5°C | 8°C |
Rawtenstall: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
Rawtenstall, a market town in Lancashire, sits along the upper reaches of the River Irwell, where the water flows through a narrow valley surrounded by wooded hills. The river here is cool and fast-moving for most of the year, reflecting its upland character and the region’s mild but damp climate. In winter, the Irwell typically measures between 3 and 5°C (37–41°F), remaining cold and clear. By spring, it gradually warms to about 8–10°C (46–50°F). During midsummer—particularly in July and August—the temperature can rise to 15–17°C (59–63°F) in slower pools or sunlit bends. As autumn approaches, it cools again to around 9–11°C (48–52°F), keeping a fresh, invigorating quality that lasts into late October.
Swimming in the River Irwell around Rawtenstall is possible but should be approached with care. The water is clean in many parts, yet currents can be strong after rainfall, and the riverbed is often rocky. Local wild swimmers sometimes enjoy secluded spots in summer when conditions are calm. For most visitors, walking or picnicking along the riverbanks provides a safer way to appreciate the scenery. Nearby attractions include the Irwell Sculpture Trail, Whitaker Park, and the heritage East Lancashire Railway, all offering easy access to the valley’s natural and cultural character.