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River Fergus — Current Water Temperature, Annual Trends and Forecast

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

River Fergus, Republic of Ireland
River Fergus, Republic of Ireland © Ww2censor, CC BY-SA 2.0

Current Water Temperature

17.2°C
Today
17.7°C
Yesterday
17.0°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 the River Fergus today is 17.2°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 June 1 to July 2

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2517.0°C18.0°C
JUN 2617.8°C18.0°C
JUN 2718.8°C18.0°C
JUN 2819.1°C18.0°C
JUN 2919.0°C18.0°C
JUN 3018.6°C18.0°C
JUL 117.7°C18.0°C
JUL 217.3°C18.0°C
JUL 318.0°C17.2°C
JUL 418.0°C17.3°C
JUL 518.0°C17.3°C
JUL 618.0°C17.4°C
JUL 718.0°C17.4°C
JUL 818.0°C17.4°C
JUL 918.0°C17.5°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
January0°C3°C7°C
February0°C4°C9°C
March2°C6°C10°C
April6°C9°C13°C
May10°C15°C19°C
June13°C18°C22°C
July14°C18°C23°C
August14°C18°C23°C
September10°C15°C19°C
October8°C11°C14°C
November3°C7°C11°C
December3°C6°C9°C

River Fergus: Water Temperature by Location

River Fergus: Weather Forecast

July 3

° / °
overcast
rain: 4% | wind:

July 4

° / °
light drizzle
rain: 6% | wind:

July 5

° / °
overcast
rain: 4% | wind:

July 6

° / °
fog
rain: 10% | wind:

July 7

° / °
overcast
rain: 2% | wind:

Location & Local Information

Source:
• location Lough Fergus, Clare
• elevation 86 m (282 ft)
Mouth:
• location Shannon Estuary at Ennis
Length 59 km (37 mi)

The River Fergus is a major waterway in County Clare, Ireland, renowned for its clarity and for flowing through the county town of Ennis before reaching the Shannon Estuary. As a freshwater river in the temperate Irish climate, its water temperature remains quite cool throughout the year. Typically, seasonal ranges fall between 8∘C to 17∘C (46∘F to 63∘F), with the warmest period occurring in late summer and the lowest temperatures recorded in winter. These temperatures mean that the water is always cold and usually necessitates a wetsuit for any prolonged period of immersion, even in the milder months.

Swimming in the River Fergus is generally not officially designated or promoted in many urban sections, primarily due to safety concerns regarding currents and boat traffic, as well as fluctuating water quality, though this can vary locally. While no blanket law strictly prohibits swimming in Irish rivers, it's advised to stick to designated and monitored areas. However, its connecting body of water, the Shannon Estuary, and nearby freshwater attractions like Lough Derg on the River Shannon, offer dedicated blue-flag bathing spots. Those visiting the area can also explore the historic Ennis Friary, the narrow medieval streets of Ennis town, or the famous Cliffs of Moher and the unique landscape of The Burren which are all within a short distance.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the River Fergus?
Water Temperature in the River Fergus today is 17.2°C.
What is the water temperature in the River Fergus during the summer months?
The water temperature in the River Fergus in summer fluctuates in the range of 13°C - 23°C.
Is it possible to swim in River Fergus (Republic of Ireland) and what are the possibilities for this?
Yes — the River Fergus is swimmable in places, with options ranging from informal wild swims in its calmer freshwater stretches to sea-style swimming in the tidal estuary near Clarecastle and, where available, organised or supervised group swims, but always use recognised access points and check water quality, tides, currents and local safety advice first.