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Lough Gara — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lough Gara, trends, monthly ranges and the forecast for the coming days.

Lough Gara, Republic of Ireland
Lough Gara, Republic of Ireland © By Declangi, CC BY-SA 4.0

Current Water Temperature

14.1°C
Today
13.5°C
Yesterday
14.7°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lough Gara today is 14.1°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

From August 23 to September 23

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1614.7°C19.0°C
SEP 1714.9°C19.0°C
SEP 1814.4°C19.0°C
SEP 1914.7°C19.0°C
SEP 2014.5°C19.0°C
SEP 2114.3°C19.0°C
SEP 2213.5°C19.0°C
SEP 2314.1°C19.0°C
SEP 2419.0°C14.3°C
SEP 2519.0°C14.6°C
SEP 2619.0°C14.8°C
SEP 2719.0°C15.1°C
SEP 2819.0°C15.3°C
SEP 2919.0°C15.6°C
SEP 3019.0°C15.8°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
January2°C6°C9°C
February2°C6°C9°C
March3°C7°C10°C
April7°C11°C14°C
May11°C17°C22°C
June14°C21°C27°C
July15°C22°C28°C
August16°C22°C27°C
September13°C19°C24°C
October10°C14°C18°C
November5°C9°C12°C
December2°C6°C9°C

Lough Gara: Water Temperature by Location

Lough Gara: Weather Forecast

September 23

° / °
moderate rain
rain: 69% | wind:

September 24

° / °
slight rain
rain: 74% | wind:

September 25

° / °
overcast
rain: 51% | wind:

September 26

° / °
moderate drizzle
rain: 63% | wind:

September 27

° / °
slight rain
rain: 75% | wind:

Location & Local Information

Lough Gara, a picturesque lake nestled mostly in County Sligo with a portion extending into Roscommon, is known for its shallow waters and numerous archaeological Crannógs (ancient artificial islands). As a freshwater lough in the Irish midlands, the water temperature experiences significant seasonal variation. In the coldest months, the water typically ranges from 5∘C to 8∘C (41∘F to 46∘F), while the summer sun can warm the surface layer to a more comfortable 15∘C to 18∘C (59∘F to 64∘F).

Swimming is generally allowed in Lough Gara, as no formal restrictions prohibit it, making it a popular spot for wild swimming enthusiasts. However, there are no designated, lifeguarded bathing areas, and swimmers should be cautious of the dense reeds and vegetation common to the shallow lake margins. The lake itself is a key fishing location, particularly for pike, and the surrounding area offers various other attractions. Close by, visitors can enjoy the activities at the Lough Gara Country Pursuits centre or take a short drive to the historic Boyle Abbey or Lough Key Forest and Activity Park.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lough Gara?
Water Temperature in Lough Gara today is 14.1°C.
What is the water temperature in Lough Gara during the summer months?
The water temperature in Lough Gara in summer fluctuates in the range of 14°C - 28°C.
Is it possible to swim in Lough Gara (Republic of Ireland) and what are the possibilities for this?
Swimming in Lough Gara is possible but largely informal — there are no formal bathing facilities, so swimmers use limited shore entry points (often across private land), should check local water-quality and safety advice, arrange access permission where needed, and take basic precautions for boats, currents and wildlife.