Water temperature in Istanbul
73.0
°F
July 5, 18:34
Trend:
decreasingYesterday:
74.5°FTomorrow:
72.7°F
Sunrise:
Sunset:
Day Length:
15 h. 2 min.Istanbul in July
Minimum:
47.3°FAverage:
51.1°FMaximum:
53.1°FSea water temperature in Istanbul today
As of now, in Istanbul, the water temperature is 73.0°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 1.1°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 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 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 77.0°F on 2016, while the historical minimum was 71.2°F on 2025.
Daily water temperature in Istanbul
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Jun 21 | 68.9°F | 71.9°F | 71.0°F |
| Jun 22 | 69.1°F | 69.5°F | 71.0°F |
| Jun 23 | 69.9°F | 68.4°F | 71.3°F |
| Jun 24 | 69.8°F | 68.4°F | 71.5°F |
| Jun 25 | 70.3°F | 68.9°F | 71.7°F |
| Jun 26 | 70.9°F | 69.0°F | 72.1°F |
| Jun 27 | 72.2°F | 70.7°F | 72.4°F |
| Jun 28 | 72.0°F | 71.1°F | 72.5°F |
| Jun 29 | 72.1°F | 71.9°F | 72.9°F |
| Jun 30 | 72.1°F | 69.6°F | 72.4°F |
| Jul 1 | 72.3°F | 70.9°F | 73.0°F |
| Jul 2 | 73.3°F | 70.6°F | 73.6°F |
| Jul 3 | 73.3°F | 70.1°F | 73.9°F |
| Jul 4 | 74.5°F | 70.3°F | 74.2°F |
| Jul 5 | 73.0°F | 71.2°F | 74.1°F |
| Jul 6 | 72.7°F | 71.3°F | 73.8°F |
| Jul 7 | 72.8°F | 71.6°F | 73.9°F |
| Jul 8 | 72.8°F | 72.4°F | 74.0°F |
| Jul 9 | 73.0°F | 73.1°F | 74.2°F |
| Jul 10 | 72.8°F | 73.0°F | 73.9°F |
| Jul 11 | 72.7°F | 71.7°F | 73.8°F |
| Jul 12 | 72.5°F | 72.2°F | 73.7°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.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Üsküdar |
71.9°F
|
3mi |
| Esenler |
73.9°F
|
4mi |
| Bahçelievler |
73.9°F
|
5mi |
| Bağcılar |
73.9°F
|
5mi |
| Sultangazi |
75.5°F
|
8mi |
| Umraniye |
72.1°F
|
9mi |
| Maltepe |
72.8°F
|
12mi |
| Yalova |
73.8°F
|
30mi |
| Bursa |
75.5°F
|
57mi |
* current water temperature in this city
** straight line distance from Istanbul