Current sea water temperature:
+46.8°F
| Minimum sea water temperature in February: | 51.6°F |
| Maximum sea water temperature in February: | 42.6°F |
| Average sea water temperature in February: | 47.0°F |
| more information | |
14 days
forecast
forecast
| Istanbul |
monthly
weather
weather
| Istanbul |
Sea water temperature for the last 10 days:
| February 24 | 46.8°F | February 19 | 49.3°F |
| February 23 | 46.9°F | February 18 | 50.0°F |
| February 22 | 47.7°F | February 17 | 50.2°F |
| February 21 | 48.0°F | February 16 | 48.7°F |
| February 20 | 47.7°F | February 15 | 48.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Istanbul?
Based on the data about daily sea water temperature for the last three years the warmest sea in Istanbul was noticed in August, July and September.
Monthly Sea Temperatures in Istanbul, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 75.9°F and 69.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°F.
current
weather
weather
| Istanbul |
weather in
March
March
| Istanbul |
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 08:42
February 25, wednesday
0900
46°F
S
2 mph
2 mph
1200
50°F
SE
7 mph
7 mph
1500
50°F
S
13 mph
13 mph
1800
46°F
S
11 mph
11 mph
2100
43°F
SW
7 mph
7 mph
February 26, thursday
0000
43°F
S
5 mph
5 mph
0300
41°F
S
4 mph
4 mph
0600
41°F
S
4 mph
4 mph
