What is the current water temperature in Istria?

As of now, in Istria, the water temperature is 25.71°C. It's safe to say that the water is comfortably warm for various water-related activities.

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Water temperature in Istria

Detailed information about the current water temperature in Istria. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

78.3

°F

August 25, 05:54

Trend:

decreasing

Yesterday:

78.7°F

Tomorrow:

77.6°F

Sunrise:

06:19

Sunset:

19:55

Day Length:

13 h. 36 min.

Istria in September

Minimum:

40.0°F

Average:

43.0°F

Maximum:

46.5°F

Sea water temperature in Istria today

As of now, in Istria, the water temperature is 78.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 80.0°F on 2023, while the historical minimum was 73.8°F on 2025.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 77.4°F, the minimum temperature may reach 77.1°F, and the maximum might stay at 77.6°F.

Daily water temperature in Istria

Date	Current Year actual* / forecast**	last year	10 years average
Aug 11	77.1°F	78.0°F	77.8°F
Aug 12	77.5°F	78.1°F	77.7°F
Aug 13	78.0°F	76.5°F	77.6°F
Aug 14	76.1°F	76.9°F	77.1°F
Aug 15	74.4°F	77.9°F	77.1°F
Aug 16	74.4°F	78.1°F	77.0°F
Aug 17	74.8°F	77.0°F	76.9°F
Aug 18	75.1°F	77.3°F	77.1°F
Aug 19	76.2°F	77.1°F	77.2°F
Aug 20	74.4°F	77.1°F	77.1°F
Aug 21	74.9°F	75.8°F	77.2°F
Aug 22	76.6°F	75.5°F	77.6°F
Aug 23	77.7°F	75.7°F	77.7°F
Aug 24	78.7°F	75.9°F	77.7°F
Aug 25	78.3°F	73.8°F	77.3°F
Aug 26	77.6°F	71.2°F	76.6°F
Aug 27	77.6°F	71.3°F	76.6°F
Aug 28	77.5°F	71.6°F	76.5°F
Aug 29	77.2°F	71.8°F	76.3°F
Aug 30	77.4°F	72.6°F	76.4°F
Aug 31	77.5°F	74.0°F	76.5°F
Sep 1	77.1°F	74.8°F	76.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Istria by month

In Istria, the months July through August offer comfortable swimming conditions, which amounts to 84 swimming days.

The warmest water in Istria was recorded on July 18, 2024, reaching a 84.0°F. While the coldest temperature occurred on February 14, 2026, dipping to 34.2°F. The average readings by season are 43.3°F in Winter, 53.6°F in Spring, 76.1°F in Summer, and 62.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Constanţa	75.4°F	27mi
Eforie Nord	75.6°F	35mi
Mangalia	75.7°F	52mi

* current water temperature in this city

** straight line distance from Istria