26.06
fri
fri
Day

84°F
SW 12 mph
Precip.
1%
1%
Night

73°F
SW 11 mph
Precip.
8%
8%
27.06
sat
sat
Day

82°F
SW 17 mph
Precip.
2%
2%
Night

72°F
SW 15 mph
Precip.
13%
13%
28.06
sun
sun
Day

81°F
SW 21 mph
Precip.
1%
1%
Night

72°F
SW 12 mph
Precip.
7%
7%
29.06
mon
mon
Day

82°F
SW 16 mph
Precip.
1%
1%
Night

73°F
SW 11 mph
Precip.
6%
6%
30.06
tue
tue
Day

84°F
SW 14 mph
Precip.
1%
1%
Night

75°F
SW 11 mph
Precip.
6%
6%
01.07
wed
wed
Day

82°F
SW 17 mph
Precip.
2%
2%
Night

73°F
SW 14 mph
Precip.
8%
8%
02.07
thu
thu
Day

81°F
SW 16 mph
Precip.
2%
2%
Night

73°F
SW 9 mph
Precip.
12%
12%
03.07
fri
fri
Day

82°F
SW 14 mph
Precip.
2%
2%
Night

73°F
SW 6 mph
Precip.
6%
6%
04.07
sat
sat
Day

82°F
SW 11 mph
Precip.
1%
1%
Night

73°F
SW 6 mph
Precip.
6%
6%
05.07
sun
sun
Day

84°F
SW 9 mph
Precip.
1%
1%
Night

75°F
SW 7 mph
Precip.
6%
6%
06.07
mon
mon
Day

84°F
SW 6 mph
Precip.
2%
2%
Night

75°F
SW 8 mph
Precip.
5%
5%
07.07
tue
tue
Day

86°F
SW 11 mph
Precip.
1%
1%
Night

77°F
SW 9 mph
Precip.
6%
6%
08.07
wed
wed
Day

86°F
SW 7 mph
Precip.
2%
2%
Night

77°F
W 7 mph
Precip.
6%
6%
09.07
thu
thu
Day

86°F
W 3 mph
Precip.
2%
2%
Night

81°F
W 11 mph
Precip.
3%
3%
sea water
temperature
temperature
| Istanbul |
monthly
weather
weather
| Istanbul |
current
weather
weather
| Istanbul |
7 days
forecast
forecast
| Istanbul |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 67.5°F. The highest and lowest sea temperatures during the month were 70.0°F and 63.7°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.
Air temperature in Istanbul, °F
Precipitation total in Istanbul, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 17:41
June 26, friday
1800

81°F
SW
17 mph
17 mph
2100

75°F
SW
14 mph
14 mph
June 27, saturday
0000

73°F
SW
11 mph
11 mph
0300

72°F
SW
10 mph
10 mph
0600

72°F
SW
11 mph
11 mph
0900

77°F
SW
15 mph
15 mph
1200

82°F
SW
17 mph
17 mph
1500

82°F
SW
19 mph
19 mph



























