Water temperature in Keszthely

This data the coastal Keszthely water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Keszthely

Water temperature in Keszthely today is 22.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Keszthely was recorded in 2024 and was 23.4°C, and the coldest was recorded in 2021 at 20.7°C. Water temperature in Keszthely is expected to drop to 20.4°C in the next 10 days. September average water temperature in Keszthely is 20.8°C, the minimum temperature is 16.8°C, and the maximum is 26.7°C.

The swimming season in Keszthely lasts from June to September. During those months, Keszthely water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Keszthely in winter reaches 2.4°C, in spring 10.9°C, in summer the average temperature rises to 24.1°C, and in autumn it is 14.9°C.

Keszthely water temperature now

Current temperature and weather

Data in a table show Keszthely temperature today (9 September 2025). For more information and forecast for a few days, go to the weather forecast Keszthely.

0-3 h	3-6 h	6-9 h	9-12 h
18.4°C	18.3°C	18.2°C	23.3°C

12-15 h	15-18 h	18-21 h	21-24 h
26.7°C	27.1°C	23.5°C	20.9°C

Keszthely water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Keszthely. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Keszthely on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Keszthely

The nearest beaches and cities from Keszthely with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Siofok	22.8°C	27°C
Balatonfured	21.8°C	27°C
Balatonlelle	20.7°C	27°C
Jadranovo	22.4°C	23°C		0.02 m
Selce	22.3°C	20°C		0.02 m
Novi Vinodolski	22.2°C	20°C		0.02 m
Klenovica	22.1°C	20°C		0.02 m
Povile	22.1°C	20°C		0.02 m
Smokvica Krmpotska	22.1°C	20°C		0.02 m
Bunica	22°C	20°C		0.04 m

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Our report for Keszthely is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.