Water temperature in Mostar

This data the coastal Mostar 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 Mostar

Water temperature in Mostar today is 18°C. Based on our historical data over a period of ten years, the warmest water in this day in Mostar was recorded in 2023 and was 21°C, and the coldest was recorded in 2024 at 16°C. Water temperature in Mostar is expected to drop to 17.6°C in the next 10 days. September average water temperature in Mostar is 21.3°C, the minimum temperature is 15°C, and the maximum is 25°C.

The swimming season in Mostar lasts from June to September. During those months, Mostar water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Mostar in winter reaches 6°C, in spring 11.9°C, in summer the average temperature rises to 24.3°C, and in autumn it is 16.7°C.

Mostar water temperature now

Current temperature and weather

Data in a table show Mostar temperature today (29 September 2025). For more information and forecast for a few days, go to the weather forecast Mostar.

0-3 h	3-6 h	6-9 h	9-12 h
6.4°C	7.8°C	8.3°C	17.4°C

12-15 h	15-18 h	18-21 h	21-24 h
21.4°C	21.1°C	15.9°C	12.4°C

Mostar water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Mostar. 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 Mostar 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 Mostar

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Our report for Mostar 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.