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Naas — Current Water Temperature, Annual Trends and Forecast

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

Poulaphouca Reservoir, Republic of Ireland
Poulaphouca Reservoir, Republic of Ireland © By 瑞丽江的河水, CC BY-SA 4.0

Current Water Temperature

9.3°C
Today
10.0°C
Yesterday
10.6°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 Naas today is 9.3°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 October 4 to November 4

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2810.6°C14.0°C
OCT 2910.8°C14.0°C
OCT 3010.7°C14.0°C
OCT 3110.6°C14.0°C
NOV 110.9°C8.6°C
NOV 210.5°C8.6°C
NOV 310.0°C8.6°C
NOV 49.3°C8.6°C
NOV 58.6°C9.3°C
NOV 68.6°C9.2°C
NOV 78.6°C9.2°C
NOV 88.6°C9.2°C
NOV 98.6°C9.1°C
NOV 108.6°C9.1°C
NOV 118.6°C9.1°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
May10°C16°C21°C
June13°C20°C26°C
July16°C22°C27°C
August15°C21°C26°C
September13°C18°C23°C
October10°C14°C17°C
November5°C9°C12°C
December2°C6°C10°C

Naas: Weather Forecast

November 5

° / °
light drizzle
rain: 12% | wind:

November 6

° / °
light drizzle
rain: 12% | wind:

November 7

° / °
moderate drizzle
rain: 25% | wind:

November 8

° / °
light drizzle
rain: 6% | wind:

November 9

° / °
light drizzle
rain: 31% | wind:

Location & Local Information

Naas, a county town in Kildare, is located inland and its local waterways are dominated by the Grand Canal and associated branches. Water temperatures in such canals and reservoirs generally track the air temperature but lag slightly, resulting in very cold winter lows and moderate summer highs. Expect the water to range from approximately 5∘C (41∘F) in the deep winter months to about 18∘C (64∘F) on the warmest days in mid-summer. Given these temperatures, a wetsuit is a necessity for any prolonged period in the water outside of the warmest season.

Official swimming in the Grand Canal in Naas is generally not permitted and strongly discouraged by authorities, primarily due to safety concerns. Hidden dangers like submerged debris and strong, unexpected currents near locks or sluices pose a significant risk of entrapment or injury. Additionally, water quality can be variable, and the sheer, slippery canal banks make emergency exit difficult. For safe water-based recreation, visitors can enjoy a scenic barge trip on the canal at nearby Sallins. Other popular local attractions include the prestigious Naas and Punchestown Racecourses, the Irish National Stud and Japanese Gardens, and the historic Moat Theatre.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Naas?
Water Temperature in Naas today is 9.3°C.
What is the water temperature in Naas during the summer months?
The water temperature in Naas in summer fluctuates in the range of 13°C - 27°C.
Is it possible to swim in any bodies of water in Naas (Republic of Ireland), and what are the available options for doing so?
Yes — you can swim in Naas mainly at local indoor leisure centre and private club pools, and some nearby rivers and lakes are used for wild or organized open‑water swims, though any open‑water option requires checking access, water quality and safety arrangements before you go.