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Leixlip — Current Water Temperature, Annual Trends and Forecast

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

River Liffey, Republic of Ireland
River Liffey, Republic of Ireland © By Dave Meier, CC0

Current Water Temperature

13.1°C
Today
11.5°C
Yesterday
14.0°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 Leixlip today is 13.1°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 September 13 to October 14

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 714.0°C12.0°C
OCT 813.1°C12.0°C
OCT 912.2°C12.0°C
OCT 1012.3°C12.0°C
OCT 1112.4°C12.0°C
OCT 1211.6°C12.0°C
OCT 1311.5°C12.0°C
OCT 1413.1°C12.0°C
OCT 1512.0°C13.0°C
OCT 1612.0°C13.0°C
OCT 1712.0°C12.9°C
OCT 1812.0°C12.9°C
OCT 1912.0°C12.8°C
OCT 2012.0°C12.8°C
OCT 2112.0°C12.7°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
January1°C5°C8°C
February1°C5°C8°C
March2°C6°C9°C
April6°C9°C12°C
May9°C14°C18°C
June12°C18°C23°C
July15°C19°C24°C
August14°C18°C23°C
September11°C16°C20°C
October9°C12°C15°C
November4°C7°C11°C
December1°C5°C9°C

Leixlip: Weather Forecast

October 15

° / °
moderate rain
rain: 97% | wind:

October 16

° / °
mainly clear
rain: 49% | wind:

October 17

° / °
overcast
snow: 2% | wind:

October 18

° / °
light drizzle
rain: 17% | wind:

October 19

° / °
light drizzle
rain: 16% | wind:

Location & Local Information

The River Liffey as it flows near Leixlip maintains a cool to cold temperature year-round, which is characteristic of inland Irish rivers. The seasonal water temperature generally fluctuates between a minimum average of around 8∘C (46∘F) during the colder months of winter and a peak of approximately 15∘C (59∘F) in late summer. This range makes the water quite invigorating, and potentially challenging, for swimming without appropriate gear.

While the Leixlip area of the Liffey is generally much cleaner than the downstream stretch in Dublin City and is utilised for activities such as canoeing, rafting, and fishing, formal public swimming is not officially designated. Although wild swimming occurs in various river spots in County Kildare, official advice often cautions against casual river swimming due to factors like varying water quality, strong currents, and hazards like weirs. For recreation, Leixlip's riverbanks offer the popular Liffey Walk, and the town is historically significant, housing the impressive Leixlip Castle and being the initial location where Arthur Guinness began his famous brewing enterprise.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Leixlip?
Water Temperature in Leixlip today is 13.1°C.
What is the water temperature in Leixlip during the summer months?
The water temperature in Leixlip in summer fluctuates in the range of 12°C - 24°C.
Is it possible to swim in Leixlip (Republic of Ireland) in River Liffey and what are the possibilities for this?
Yes — you can swim in the River Liffey around Leixlip, but only in safe, suitable locations away from weirs and strong currents, ideally as part of organised open‑water sessions or with local knowledge, after checking water quality and conditions and using appropriate safety precautions.