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October weather forecast in Istanbul

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

28 September, sun

	753 mmHg		73%
	6.1 m/s		+22

28 September, Sunday. day, 22°; night, 17°; rain

29 September, mon

	752 mmHg		74%
	5.8 m/s		+22

29 September, Monday. day, 23°; night, 16°; rain

30 September, tue

	753 mmHg		74%
	5.9 m/s		+22

30 September, Tuesday. day, 22°; night, 16°; partly cloudy

1 October, wed

	753 mmHg		72%
	5.5 m/s		+21

1 October, Wednesday. day, 22°; night, 16°; clear

2 October, thu

	754 mmHg		73%
	5.8 m/s		+21

2 October, Thursday. day, 21°; night, 16°; clear

3 October, fri

	754 mmHg		72%
	5.1 m/s		+21

3 October, Friday. day, 22°; night, 15°; clear

4 October, sat

	754 mmHg		73%
	5.5 m/s		+21

4 October, Saturday. day, 21°; night, 15°; clear

5 October, sun

	754 mmHg		71%
	5.7 m/s		+21

5 October, Sunday. day, 22°; night, 15°; clear

6 October, mon

	754 mmHg		72%
	5.6 m/s		+21

6 October, Monday. day, 22°; night, 16°; clear

7 October, tue

	754 mmHg		73%
	6.1 m/s		+20

7 October, Tuesday. day, 21°; night, 16°; clear

8 October, wed

	754 mmHg		75%
	6.8 m/s		+20

8 October, Wednesday. day, 20°; night, 15°; rain

9 October, thu

	754 mmHg		74%
	6.3 m/s		+20

9 October, Thursday. day, 20°; night, 15°; partly cloudy

10 October, fri

	754 mmHg		74%
	6 m/s		+20

10 October, Friday. day, 20°; night, 15°; partly cloudy

11 October, sat

	754 mmHg		74%
	5.8 m/s		+20

11 October, Saturday. day, 21°; night, 15°; partly cloudy

12 October, sun

	754 mmHg		75%
	5.9 m/s		+20

12 October, Sunday. day, 21°; night, 15°; rain

13 October, mon

	754 mmHg		74%
	6.2 m/s		+20

13 October, Monday. day, 20°; night, 15°; partly cloudy

14 October, tue

	755 mmHg		76%
	6.2 m/s		+19

14 October, Tuesday. day, 19°; night, 14°; partly cloudy

15 October, wed

	754 mmHg		76%
	5.7 m/s		+19

15 October, Wednesday. day, 19°; night, 14°; partly cloudy

16 October, thu

	754 mmHg		76%
	6.2 m/s		+20

16 October, Thursday. day, 19°; night, 14°; rain

17 October, fri

	755 mmHg		75%
	6.2 m/s		+19

17 October, Friday. day, 19°; night, 14°; rain

18 October, sat

	755 mmHg		76%
	6.3 m/s		+19

18 October, Saturday. day, 18°; night, 14°; rain

19 October, sun

	755 mmHg		75%
	5.4 m/s		+19

19 October, Sunday. day, 18°; night, 13°; partly cloudy

20 October, mon

	755 mmHg		77%
	5.3 m/s		+19

20 October, Monday. day, 18°; night, 13°; clear

21 October, tue

	755 mmHg		75%
	5.5 m/s		+19

21 October, Tuesday. day, 19°; night, 13°; clear

22 October, wed

	755 mmHg		75%
	6 m/s		+19

22 October, Wednesday. day, 19°; night, 13°; clear

23 October, thu

	754 mmHg		75%
	6.1 m/s		+19

23 October, Thursday. day, 19°; night, 14°; partly cloudy

24 October, fri

	754 mmHg		79%
	6.1 m/s		+18

24 October, Friday. day, 18°; night, 14°; rain

25 October, sat

	755 mmHg		78%
	6.1 m/s		+18

25 October, Saturday. day, 17°; night, 13°; rain

26 October, sun

	756 mmHg		76%
	5.9 m/s		+18

26 October, Sunday. day, 17°; night, 12°; partly cloudy

27 October, mon

	756 mmHg		76%
	6.2 m/s		+18

27 October, Monday. day, 17°; night, 12°; rain

28 October, tue

	756 mmHg		74%
	6.2 m/s		+17

28 October, Tuesday. day, 17°; night, 12°; rain

29 October, wed

	755 mmHg		74%
	5.7 m/s		+17

29 October, Wednesday. day, 17°; night, 12°; partly cloudy

30 October, thu

	755 mmHg		76%
	6 m/s		+17

30 October, Thursday. day, 16°; night, 11°; rain

31 October, fri

	756 mmHg		77%
	6.1 m/s		+17

31 October, Friday. day, 16°; night, 11°; partly cloudy

1 November, sat

	756 mmHg		78%
	5.6 m/s		+17

1 November, Saturday. day, 16°; night, 11°; clear

Average data for 10 years

Istanbul October

10

sunny days

10

days with precipitation

6

cloudy days

10 sunny days; 10 days with precipitation; 6 cloudy days;

75

%

air humidity

4.4

m/s

WindSE

76

mm of precipitation

(12% of annual average)

+19

°C

Water temperature

air humidity 75%; 76 millimeters of precipitation (12% of annual average); Wind south-easterly 4.4 Meters per second; Water temperature +19°

Weather graphs for October

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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SE

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SE

1

Average data for 10 years

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3

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31

Daytime temperature

Night-time temperature

Cities near you

Kemer
Izmir
Varna
Burgas
Kushadasi
Pamukkale
The Sunny Beach
Bursa
Fatih

Cities with similar weather in October

Gagra
Suhum
Baku
Pitsunda
Rimini
Venice
New Athos
Tivat
Herceg Novi

The weather forecast for October 2025 is based on historical data from the past 10 years.

In October, the weather in Istanbul is typically warm. Average daily high temperature in October is about 19 degrees above zero. On average, Istanbul has 11 partly cloudy, 10 rainy, and 10 sunny days in October. The rains are usually heavy.

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