Average data for 10 years
1 October
Tuesday
+20°
+17°
2 October
Wednesday
+19°
+17°
3 October
Thursday
+20°
+17°
4 October
Friday
+20°
+17°
5 October
Saturday
+20°
+17°
6 October
Sunday
+20°
+17°
7 October
Monday
+19°
+17°
8 October
Tuesday
+19°
+17°
9 October
Wednesday
+19°
+16°
10 October
Thursday
+20°
+16°
11 October
Friday
+20°
+17°
12 October
Saturday
+20°
+17°
13 October
Sunday
+18°
+16°
14 October
Monday
+18°
+16°
15 October
Tuesday
+19°
+16°
16 October
Wednesday
+19°
+17°
17 October
Thursday
+18°
+17°
18 October
Friday
+19°
+16°
19 October
Saturday
+19°
+16°
20 October
Sunday
+18°
+16°
21 October
Monday
+18°
+15°
22 October
Tuesday
+19°
+16°
23 October
Wednesday
+18°
+16°
24 October
Thursday
+17°
+15°
25 October
Friday
+16°
+15°
26 October
Saturday
+15°
+14°
27 October
Sunday
+15°
+14°
28 October
Monday
+16°
+14°
29 October
Tuesday
+15°
+14°
30 October
Wednesday
+15°
+12°
31 October
Thursday
+14°
+13°
In October, the weather in Istanbul is typically warm. Average daily high temperature in October is about 18 degrees above zero. On average, Istanbul has 14 sunny, 8 rainy, 8 partly cloudy, and 1 cloudy day in October. The rains are usually moderate.