Istanbul weather live forecast

Today's maximum temperature in Istanbul is expected to be 26°C. Select a day from the live weather forecast for Istanbul, Turkey for more weather parameters.

Tuesday
8th Sep
26

19

9

6
Wednesday
9th Sep
26

18

11

6
Thursday
10th Sep
27

19

9

6
Friday
11th Sep
27

19

9

6
Saturday
12th Sep
28

19

10

6

5-day weather forecast updated at 04:00 on Tuesday 8th September 2026 GMT

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The 5-day weather forecast for Turkey (Istanbul) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Istanbul weather forecast by day

Below are the detailed weather forecasts for Istanbul for the next 5 days.

Istanbul weather for Tuesday 8th September 2026

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 26°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.

26
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from NE

Istanbul weather for Wednesday 9th September 2026

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 26°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
26
°C wind chill
27
kph wind from NE

Istanbul weather for Thursday 10th September 2026

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from NE

Istanbul weather for Friday 11th September 2026

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from NE

Istanbul weather for Saturday 12th September 2026

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.