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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, ensuring that most days remain pleasantly dry.

  • Is October a good time to visit Istanbul? check out the best time to travel to Istanbul page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/17°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Istanbul in October average weather

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Temperatures trend during October in Istanbul

See the weather trend as well as the moving average line
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October weather day by day

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Date Weather Temperatures Rain UV More
1 Oct. Light rain shower
Light rain shower
19° /16° 5.6 mm 5
2 Oct. Patchy rain possible
Patchy rain possible
22° /18° 0.2 mm 5
3 Oct. Partly cloudy
Partly cloudy
22° /17° 0 mm 6
4 Oct. Sunny
Sunny
23° /18° 0 mm 6
5 Oct. Overcast
Overcast
24° /19° 0 mm 6
6 Oct. Sunny
Sunny
24° /19° 0.7 mm 6
7 Oct. Patchy rain possible
Patchy rain possible
23° /19° 0.1 mm 5
8 Oct. Sunny
Sunny
24° /18° 0 mm 6
9 Oct. Patchy rain possible
Patchy rain possible
22° /17° 0.3 mm 5
10 Oct. Overcast
Overcast
20° /17° 0 mm 5
11 Oct. Patchy rain possible
Patchy rain possible
22° /18° 0.1 mm 5
12 Oct. Sunny
Sunny
22° /17° 0.1 mm 6
13 Oct. Sunny
Sunny
20° /16° 0.2 mm 5
14 Oct. Sunny
Sunny
22° /16° 0 mm 6
15 Oct. Sunny
Sunny
21° /16° 0 mm 6
16 Oct. Patchy rain possible
Patchy rain possible
20° /15° 0.5 mm 5
17 Oct. Patchy rain possible
Patchy rain possible
17° /14° 0.5 mm 4
18 Oct. Light rain
Light rain
16° /13° 3.6 mm 4
19 Oct. Cloudy
Cloudy
16° /13° 0.2 mm 4
20 Oct. Sunny
Sunny
19° /15° 0 mm 5
21 Oct. Sunny
Sunny
19° /16° 0.1 mm 5
22 Oct. Sunny
Sunny
20° /15° 0 mm 6
23 Oct. Partly cloudy
Partly cloudy
20° /16° 0 mm 6
24 Oct. Sunny
Sunny
20° /16° 0 mm 6
25 Oct. Overcast
Overcast
20° /16° 0.1 mm 5
26 Oct. Patchy rain possible
Patchy rain possible
20° /16° 0.1 mm 5
27 Oct. Sunny
Sunny
20° /16° 0 mm 6
28 Oct. Partly cloudy
Partly cloudy
21° /16° 0 mm 6
29 Oct. Partly cloudy
Partly cloudy
20° /16° 0 mm 6
30 Oct. Partly cloudy
Partly cloudy
20° /15° 0.1 mm 5
31 Oct. Partly cloudy
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

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Location coordinates 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.

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