All data are in degrees Fahrenheit

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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.
Sea temperature in Istria now

73.8

°F

September 1, 06:57

Trend:

decreasing

Yesterday:

74.2°F

Tomorrow:

72.9°F

Sunrise:

06:27

Sunset:

19:43

Day Length:

13 h. 16 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 73.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°F lower 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 considerably.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 79.7°F on 2023, while the historical minimum was 73.9°F on 2017.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 71.5°F, the minimum temperature may reach 69.8°F, and the maximum might stay at 72.9°F.

Daily water temperature in Istria

Date Current Year

actual* / forecast**

last year 10 years average
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 77.8°F
Aug 25 78.7°F 73.8°F 77.4°F
Aug 26 78.5°F 71.2°F 76.8°F
Aug 27 76.7°F 71.3°F 76.6°F
Aug 28 76.2°F 71.6°F 76.5°F
Aug 29 74.0°F 71.8°F 76.1°F
Aug 30 74.0°F 72.6°F 76.2°F
Aug 31 74.2°F 74.0°F 76.5°F
Sep 1 73.8°F 74.8°F 76.1°F
Sep 2 72.9°F 73.6°F 75.2°F
Sep 3 72.5°F 74.5°F 74.8°F
Sep 4 72.4°F 75.4°F 74.7°F
Sep 5 71.8°F 75.6°F 74.1°F
Sep 6 71.1°F 76.0°F 73.4°F
Sep 7 70.2°F 73.4°F 72.5°F
Sep 8 69.8°F 72.0°F 72.1°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 74.4°F 27mi
Eforie Nord 74.6°F 35mi
Mangalia 74.6°F 52mi

* current water temperature in this city

** straight line distance from Istria