Istanbul
October
Weather in Istanbul for October 2025
Your guide to Istanbul weather in October - trends and predictions
In general, the average temperature in Istanbul at the beginning of October is 22 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 19.6 °C by the end of October.
Istanbul experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 19.8 mm.
Temperatures
Rain 🌧️
22
Dry days
9
Rainy days
0
Snow days
20°/16°
Temperatures
22 km/h
Avg max wind
65 %
Avg humidity
Istanbul in October average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2 22° | 3  22° | 4  22° | 5  22° | ||
| 6 23° | 7 22° | 8 23° | 9 22° | 10  21° | 11 22° | 12  22° |
| 13 20° | 14 21° | 15 20° | 16 20° | 17 18° | 18 17° | 19 18° |
| 20 19° | 21 19° | 22 19° | 23 20° | 24 20° | 25 19° | 26 20° |
| 27 20° | 28 20° | 29 19° | 30 20° | 31 19° |
You can click on date
Access Istanbul weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during October in Istanbul
See the weather trend as well as the moving average line
October weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Patchy rain possible | 21° /17° | 3 mm | 5 | |
| 2 Oct. | Patchy rain possible | 22° /18° | 1 mm | 5 | |
| 3 Oct. | Partly cloudy | 22° /17° | 0.2 mm | 6 | |
| 4 Oct. | Sunny | 22° /17° | 0.5 mm | 6 | |
| 5 Oct. | Cloudy | 22° /17° | 0.3 mm | 5 | |
| 6 Oct. | Cloudy | 23° /17° | 0.3 mm | 6 | |
| 7 Oct. | Patchy rain possible | 22° /17° | 1 mm | 5 | |
| 8 Oct. | Sunny | 23° /17° | 0.6 mm | 6 | |
| 9 Oct. | Patchy rain possible | 22° /16° | 1.6 mm | 5 | |
| 10 Oct. | Overcast | 21° /16° | 0.1 mm | 5 | |
| 11 Oct. | Overcast | 22° /17° | 0 mm | 5 | |
| 12 Oct. | Moderate or heavy rain shower | 22° /16° | 1.3 mm | 5 | |
| 13 Oct. | Moderate rain at times | 20° /15° | 1.9 mm | 5 | |
| 14 Oct. | Sunny | 21° /15° | 0.1 mm | 5 | |
| 15 Oct. | Sunny | 20° /16° | 0.8 mm | 5 | |
| 16 Oct. | Patchy rain possible | 20° /15° | 0.6 mm | 5 | |
| 17 Oct. | Patchy rain possible | 18° /14° | 2.1 mm | 4 | |
| 18 Oct. | Patchy rain possible | 17° /14° | 2.2 mm | 4 | |
| 19 Oct. | Patchy rain possible | 18° /13° | 0.2 mm | 4 | |
| 20 Oct. | Patchy rain possible | 19° /13° | 0.2 mm | 5 | |
| 21 Oct. | Sunny | 19° /14° | 0 mm | 5 | |
| 22 Oct. | Sunny | 19° /14° | 0 mm | 6 | |
| 23 Oct. | Partly cloudy | 20° /15° | 0 mm | 6 | |
| 24 Oct. | Sunny | 20° /14° | 1.5 mm | 5 | |
| 25 Oct. | Partly cloudy | 19° /15° | 0 mm | 5 | |
| 26 Oct. | Sunny | 20° /15° | 0.1 mm | 5 | |
| 27 Oct. | Sunny | 20° /15° | 0 mm | 5 | |
| 28 Oct. | Partly cloudy | 20° /15° | 0 mm | 6 | |
| 29 Oct. | Partly cloudy | 19° /14° | 0 mm | 5 | |
| 30 Oct. | Partly cloudy | 20° /14° | 0 mm | 5 | |
| 31 Oct. | Patchy rain possible | 19° /14° | 0.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Istanbul in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Istanbul forecast closer to your planned date for the most up-to-date weather information.
Istanbul in October - FAQ
What are the expected maximum and minimum temperatures in Istanbul during October?
During October, expect a variety of temperatures with highs around 20° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Istanbul during October?
Expect minimal rainfall in Istanbul during October, with a total of 19.8 mm over approximately 9 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Istanbul during October?
The average wind speed in Istanbul during October is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Istanbul
Explore the daily rainfall trends and prepare for Istanbuls October weather 💧
UV exposure in Istanbul during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
You are here
Where is Istanbul?Get accurate weather forecasts for Istanbul, located at latitude 41.014 and longitude 28.95. Stay updated with localized weather information tailored for Istanbul.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.