Measurements:
°C
°F
CURRENT WEATHER
16:45
Istanbul
90°F
SW 12 mph
Feels like: 88°F
Precip: 0%
World Resorts Turkey Istanbul Weather

7 Day Weather Forecast

07.11
sat
DAY
86°F
NW 3 mph
precip
1%
NIGHT
78°F
W 6 mph
precip
1%
07.12
sun
DAY
88°F
SW 9 mph
precip
1%
NIGHT
80°F
W 7 mph
precip
2%
07.13
mon
DAY
86°F
S 7 mph
precip
3%
NIGHT
78°F
SW 9 mph
precip
6%
07.14
tue
DAY
86°F
SW 9 mph
precip
2%
NIGHT
78°F
W 7 mph
precip
5%
07.15
wed
DAY
88°F
SW 6 mph
precip
2%
NIGHT
78°F
SW 9 mph
precip
7%
07.16
thu
DAY
86°F
SW 14 mph
precip
4%
NIGHT
78°F
SW 8 mph
precip
8%
07.17
fri
DAY
86°F
S 9 mph
precip
3%
NIGHT
78°F
SW 7 mph
precip
6%

Istanbul Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Istanbul was 22.7°F. The maximum and minimum values were 20.7°F and 24.4°F respectively.

Istanbul on the Weather Map

Best Time to Visit Istanbul
The most sunny months:
July 28 days
August 28 days
June 23 days
The most warm months:
July 88.9 °F
August 88.5 °F
June 83.1 °F
Warmest sea temperature:
August 78.7 °F
July 77.3 °F
September 76.0 °F
The most cold months:
January 48.5 °F
February 49.8 °F
December 53.2 °F
The most rainy months:
January 5 days
December 4 days
February 3 days
The most windy months:
August 14 mph
July 12 mph
September 12 mph
more details