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Váh River — Current Water Temperature, Annual Trends and Forecast

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

Váh River, Slovakia
Váh River, Slovakia © By Martin Hlauka, Attribution

Current Water Temperature

8.1°C
Today
8.8°C
Yesterday
10.8°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 Váh River today is 8.1°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 September 29 to October 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2310.8°C10.0°C
OCT 2411.2°C10.0°C
OCT 2510.6°C10.0°C
OCT 269.6°C10.0°C
OCT 279.4°C10.0°C
OCT 288.9°C10.0°C
OCT 298.8°C10.0°C
OCT 308.1°C10.0°C
OCT 3110.0°C8.0°C
NOV 16.9°C8.0°C
NOV 26.9°C7.9°C
NOV 36.9°C7.9°C
NOV 46.9°C7.8°C
NOV 56.9°C7.7°C
NOV 66.9°C7.7°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
January0°C4°C8°C
February1°C5°C8°C
March3°C7°C10°C
April6°C10°C13°C
May9°C13°C18°C
June12°C18°C24°C
July15°C20°C25°C
August12°C19°C26°C
September10°C15°C21°C
October7°C10°C13°C
November3°C7°C10°C
December1°C6°C9°C

Váh River: Water Temperature by Location

Váh River: Weather Forecast

October 31

° / °
overcast
rain: 8% | wind:

November 1

° / °
overcast
rain: 8% | wind:

November 2

° / °
overcast
rain: 28% | wind:

November 3

° / °
slight rain
rain: 28% | wind:

November 4

° / °
fog
snow: 25% | wind:

Location & Local Information

Source Čierny Váh
• location Kráľova hoľa, Nízke Tatry
2nd source Biely Váh
• location Važecká dolina, Vysoké Tatry
Mouth Danube River
• location Komárno
• elevation 106.5 m (349 ft)
Length 403 km (250 mi)

The Váh is the longest river in Slovakia, stretching from the Tatras down to the Danube. Because it flows through different landscapes, the water temperature varies greatly along its course. In the upper mountain sections, the river is colder, often staying below 15°C even in summer. Further downstream, especially in the lowland regions, the water warms up more quickly, and during July and August it can reach 20–24°C, which makes it suitable for swimming.

Bathing in the Váh is popular mainly in calmer stretches, near river bends or places where the current is weaker. While it is not a classic “beach river,” locals often use it to cool down on hot days. Some areas are better suited for short refreshing swims, while others, especially around reservoirs built on the Váh, provide more comfortable conditions for longer stays in the water.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Váh River?
Water Temperature in the Váh River today is 8.1°C.
What is the water temperature in the Váh River during the summer months?
The water temperature in the Váh River in summer fluctuates in the range of 12°C - 26°C.
Is it possible to swim in Váh (Slovakia) and what are the possibilities for this?
Yes — you can swim in parts of the Váh, especially in calmer stretches, reservoirs and designated bathing spots where water quality and safety are monitored, but swimming in uncontrolled sections with strong currents, boat traffic or poor water quality is discouraged, so always check local conditions and rules before entering.