Lough Gill — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lough Gill, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lough Gill today is 14.9°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 | 15.6°C | 19.0°C | |
| SEP 17 | 15.5°C | 19.0°C | |
| SEP 18 | 15.3°C | 19.0°C | |
| SEP 19 | 15.2°C | 19.0°C | |
| SEP 20 | 15.0°C | 19.0°C | |
| SEP 21 | 15.0°C | 19.0°C | |
| SEP 22 | 14.4°C | 19.0°C | |
| SEP 23 | 14.9°C | 19.0°C | |
| SEP 24 | 19.0°C | 15.1°C | |
| SEP 25 | 19.0°C | 15.3°C | |
| SEP 26 | 19.0°C | 15.5°C | |
| SEP 27 | 19.0°C | 15.7°C | |
| SEP 28 | 19.0°C | 15.9°C | |
| SEP 29 | 19.0°C | 16.1°C | |
| SEP 30 | 19.0°C | 16.3°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 | 1°C | 5°C | 8°C |
| February | 1°C | 5°C | 9°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 | 5°C | 3°C | 10°C |
Lough Gill: Water Temperature by Location
Lough Gill: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
Lough Gill, located east of Sligo town in Ireland’s northwest, is a scenic freshwater lake surrounded by forested hills and small islands, including the famous Isle of Innisfree. The lake’s water remains cool year-round due to its depth and sheltered setting. Average winter temperatures hover around 5–7°C (41–45°F), while in summer they typically rise to 14–17°C (57–63°F). On calm, sunny days, shallow bays may briefly reach 18°C (64°F), though the deeper areas stay colder. The lake’s clear but brisk water reflects the influence of Ireland’s maritime climate, making midsummer the most comfortable time for swimming, particularly in late June through August.
Swimming is allowed in Lough Gill, and it is enjoyed by both locals and visitors who appreciate the lake’s quiet surroundings. Swimmers usually choose access points near Parke’s Castle or Hazelwood, where the shoreline is safe and easy to reach. The lake is also popular for kayaking and fishing, and its unspoiled character attracts those seeking calm nature experiences. Nearby attractions include the town of Sligo with its cultural and literary heritage, and the scenic Glencar Waterfall just to the northeast. Lough Gill’s blend of natural beauty, refreshing water, and peaceful atmosphere makes it one of the most charming lakes in Ireland.