All data are in degrees Fahrenheit

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Water temperature in Istanbul

Detailed information about the current water temperature in Istanbul. 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 Istanbul now

68.6

°F

June 11, 13:08

Trend:

increasing

Yesterday:

67.8°F

Tomorrow:

68.7°F

Sunrise:

05:32

Sunset:

20:36

Day Length:

15 h. 4 min.

Istanbul in June

Minimum:

47.5°F

Average:

51.2°F

Maximum:

52.9°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 68.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 72.2°F on 2019, while the historical minimum was 65.0°F on 2023.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 69.6°F, with minimum temperature starting at 68.7°F, while the maximum might reach 70.3°F.

Daily water temperature in Istanbul

Date Current Year

actual* / forecast**

last year 10 years average
May 28 62.2°F 59.8°F 62.9°F
May 29 63.3°F 60.7°F 63.2°F
May 30 62.3°F 61.2°F 63.3°F
May 31 62.9°F 61.8°F 64.0°F
Jun 1 63.9°F 61.7°F 64.7°F
Jun 2 64.1°F 61.3°F 64.9°F
Jun 3 65.4°F 62.0°F 65.3°F
Jun 4 67.1°F 64.0°F 66.0°F
Jun 5 68.5°F 65.4°F 66.5°F
Jun 6 67.3°F 65.6°F 66.6°F
Jun 7 67.9°F 65.1°F 67.1°F
Jun 8 68.4°F 65.4°F 67.4°F
Jun 9 68.5°F 66.2°F 67.7°F
Jun 10 67.8°F 67.9°F 68.1°F
Jun 11 68.6°F 67.4°F 68.6°F
Jun 12 68.7°F 67.9°F 68.7°F
Jun 13 69.2°F 68.0°F 69.2°F
Jun 14 69.7°F 68.4°F 69.7°F
Jun 15 69.7°F 67.9°F 69.7°F
Jun 16 69.7°F 68.1°F 69.7°F
Jun 17 69.8°F 68.8°F 69.8°F
Jun 18 70.3°F 69.8°F 70.3°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 Istanbul by month

In Istanbul, the months July through September offer comfortable swimming conditions, which amounts to 80 swimming days.
The warmest water in Istanbul was recorded on August 1, 2018, reaching a 79.6°F. While the coldest temperature occurred on February 21, 2017, dipping to 42.7°F. The average readings by season are 50.7°F in Winter, 53.3°F in Spring, 73.2°F in Summer, and 67.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Üsküdar 66.9°F 3mi
Esenler 69.5°F 4mi
Bahçelievler 69.5°F 5mi
Bağcılar 69.5°F 5mi
Sultangazi 67.9°F 8mi
Umraniye 66.3°F 9mi
Maltepe 70.0°F 12mi
Yalova 66.0°F 30mi
Bursa 73.9°F 57mi

* current water temperature in this city

** straight line distance from Istanbul