Istanbul Weather in October
In October, Istanbul averages a high of 21°C (70°F) and a low of 11°C (52°F), based on 53 years of historical weather data from ISTANBUL.
21°C
Average high
70°F
11°C
Average low
52°F
38°C
Record high
100°F · 1980
-1°C
Record low
30°F · 2011
What to Expect in Istanbul in October
Typical October days in Istanbul reach 21°C (70°F) during the afternoon and cool to around 11°C (52°F) overnight. On average, measurable rain falls on about 36% of days this month. Over the past 53 years, October temperatures in Istanbul have ranged from a record high of 38°C (1980) down to a record low of -1°C (2011).
For a day-by-day look or other months, see the full Istanbul weather history.