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 22.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20 °C by the end of October.
With an average of 5 rainy days, Istanbul experiences minimal rainfall in October.
Is October a good time to visit Istanbul? check out the best time to travel to Istanbul page.
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26
Dry days
5
Rainy days
0
Snow days
21°/17°
Temperatures
20 km/h
Avg max wind
65 %
Avg humidity
Istanbul in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2 22° | 3  22° | 4  23° | 5  24° | ||
| 6 24° | 7 23° | 8 24° | 9 22° | 10 20° | 11 22° | 12 22° |
| 13 20° | 14 22° | 15 21° | 16 20° | 17 17° | 18  16° | 19  16° |
| 20 19° | 21 19° | 22 20° | 23 20° | 24 20° | 25 20° | 26 20° |
| 27 20° | 28 21° | 29 20° | 30 20° | 31 19° |
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Temperatures trend during October in Istanbul
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Light rain shower | 19° /16° | 5.6 mm | 5 | |
| 2 Oct. | Patchy rain possible | 22° /18° | 0.2 mm | 5 | |
| 3 Oct. | Partly cloudy | 22° /17° | 0 mm | 6 | |
| 4 Oct. | Sunny | 23° /18° | 0 mm | 6 | |
| 5 Oct. | Overcast | 24° /19° | 0 mm | 6 | |
| 6 Oct. | Sunny | 24° /19° | 0.7 mm | 6 | |
| 7 Oct. | Patchy rain possible | 23° /19° | 0.1 mm | 5 | |
| 8 Oct. | Sunny | 24° /18° | 0 mm | 6 | |
| 9 Oct. | Patchy rain possible | 22° /17° | 0.3 mm | 5 | |
| 10 Oct. | Overcast | 20° /17° | 0 mm | 5 | |
| 11 Oct. | Patchy rain possible | 22° /18° | 0.1 mm | 5 | |
| 12 Oct. | Sunny | 22° /17° | 0.1 mm | 6 | |
| 13 Oct. | Sunny | 20° /16° | 0.2 mm | 5 | |
| 14 Oct. | Sunny | 22° /16° | 0 mm | 6 | |
| 15 Oct. | Sunny | 21° /16° | 0 mm | 6 | |
| 16 Oct. | Patchy rain possible | 20° /15° | 0.5 mm | 5 | |
| 17 Oct. | Patchy rain possible | 17° /14° | 0.5 mm | 4 | |
| 18 Oct. | Light rain | 16° /13° | 3.6 mm | 4 | |
| 19 Oct. | Cloudy | 16° /13° | 0.2 mm | 4 | |
| 20 Oct. | Sunny | 19° /15° | 0 mm | 5 | |
| 21 Oct. | Sunny | 19° /16° | 0.1 mm | 5 | |
| 22 Oct. | Sunny | 20° /15° | 0 mm | 6 | |
| 23 Oct. | Partly cloudy | 20° /16° | 0 mm | 6 | |
| 24 Oct. | Sunny | 20° /16° | 0 mm | 6 | |
| 25 Oct. | Overcast | 20° /16° | 0.1 mm | 5 | |
| 26 Oct. | Patchy rain possible | 20° /16° | 0.1 mm | 5 | |
| 27 Oct. | Sunny | 20° /16° | 0 mm | 6 | |
| 28 Oct. | Partly cloudy | 21° /16° | 0 mm | 6 | |
| 29 Oct. | Partly cloudy | 20° /16° | 0 mm | 6 | |
| 30 Oct. | Partly cloudy | 20° /15° | 0.1 mm | 5 | |
| 31 Oct. | Partly cloudy | 19° /15° | 0.1 mm | 5 | |
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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 21° and lows near 17°, 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 19.1 mm over approximately 5 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 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Istanbul in October?
As you prepare for your trip to Istanbul in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istanbul, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
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 ☀️
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