Average data for 10 years
1 October
Wednesday
+22°
+16°
2 October
Thursday
+21°
+16°
3 October
Friday
+22°
+15°
4 October
Saturday
+21°
+15°
5 October
Sunday
+22°
+15°
6 October
Monday
+22°
+16°
7 October
Tuesday
+21°
+16°
8 October
Wednesday
+20°
+15°
9 October
Thursday
+20°
+15°
10 October
Friday
+20°
+15°
11 October
Saturday
+21°
+15°
12 October
Sunday
+21°
+15°
13 October
Monday
+20°
+15°
14 October
Tuesday
+19°
+14°
15 October
Wednesday
+19°
+14°
16 October
Thursday
+19°
+14°
17 October
Friday
+19°
+14°
18 October
Saturday
+18°
+14°
19 October
Sunday
+18°
+13°
20 October
Monday
+18°
+13°
21 October
Tuesday
+19°
+13°
22 October
Wednesday
+19°
+13°
23 October
Thursday
+19°
+14°
24 October
Friday
+18°
+14°
25 October
Saturday
+17°
+13°
26 October
Sunday
+17°
+12°
27 October
Monday
+17°
+12°
28 October
Tuesday
+17°
+12°
29 October
Wednesday
+17°
+12°
30 October
Thursday
+16°
+11°
31 October
Friday
+16°
+11°
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.