Measurements:
°C
°F
CURRENT WEATHER
20:07
Istanbul
82°F
SW 11 mph
Feels like: 84°F
Precip: 3%
World Resorts Turkey Istanbul Weather

7 Day Weather Forecast

08.19
wed
DAY
88°F
S 5 mph
precip
1%
NIGHT
80°F
W 5 mph
precip
3%
08.20
thu
DAY
92°F
SW 7 mph
precip
1%
NIGHT
80°F
W 12 mph
precip
1%
08.21
fri
DAY
88°F
SW 12 mph
precip
1%
NIGHT
76°F
SW 10 mph
precip
11%
08.22
sat
DAY
86°F
SW 3 mph
precip
3%
NIGHT
78°F
SW 6 mph
precip
6%
08.23
sun
DAY
86°F
SW 3 mph
precip
1%
NIGHT
80°F
SW 5 mph
precip
3%
08.24
mon
DAY
90°F
SW 6 mph
precip
1%
NIGHT
82°F
W 5 mph
precip
2%
08.25
tue
DAY
92°F
SW 7 mph
precip
1%
NIGHT
84°F
SW 5 mph
precip
3%

Istanbul Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Istanbul was 22.8°F. The maximum and minimum values were 20.7°F and 23.9°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 88.7 °F
August 88.5 °F
June 83.1 °F
Warmest sea temperature:
August 78.7 °F
July 77.1 °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
September 12 mph
July 12 mph
more details