Istanbul Καιρός Πρόγνωση
Istanbul weather: 20°C, Νεφελώδης. Ανά ώρα forecast, 14-day outlook, UV, air quality and the best time έως visit.
14-day forecast for Istanbul
Μέγ. / Ελάχ.; Υετός; UV
| Ημέρα | Συνθήκες | Μέγ. / Ελάχ. | Υετός | Άνεμος | UV |
|---|---|---|---|---|---|
| Παρ, Οκτ 23 | 🌧️ Μπόρες | 23° / 16° | 90% · 5 mm | 18 km/h | 4 |
| Σαβ, Οκτ 24 | ☁️ Νεφελώδης | 19° / 14° | 3% | 15 km/h | 4 |
| Κυρ, Οκτ 25 | ☁️ Νεφελώδης | 21° / 13° | 0% | 11 km/h | 3 |
| Δευ, Οκτ 26 | ☁️ Νεφελώδης | 19° / 15° | 31% · 0 mm | 16 km/h | 2 |
| Τρι, Οκτ 27 | 🌧️ Βροχή | 16° / 14° | 38% · 24 mm | 31 km/h | 3 |
| Τετ, Οκτ 28 | 🌦️ Ασθενής βροχή | 16° / 11° | 32% · 3 mm | 23 km/h | 2 |
| Πεμ, Οκτ 29 | 🌦️ Ασθενής βροχή | 15° / 10° | 35% | 18 km/h | 3 |
| Παρ, Οκτ 30 | 🌦️ Light showers | 16° / 11° | 39% · 3 mm | 21 km/h | 4 |
| Σαβ, Οκτ 31 | 🌦️ Light showers | 14° / 10° | 40% · 8 mm | 13 km/h | 3 |
| Κυρ, Νοέ 1 | 🌦️ Light showers | 14° / 9° | 39% · 10 mm | 8 km/h | 3 |
| Δευ, Νοέ 2 | 🌦️ Light showers | 13° / 9° | 34% · 17 mm | 21 km/h | 3 |
| Τρι, Νοέ 3 | 🌦️ Light drizzle | 13° / 8° | 25% · 3 mm | 16 km/h | 3 |
| Τετ, Νοέ 4 | 🌦️ Ψιχάλα | 10° / 6° | 43% · 8 mm | 18 km/h | 2 |
| Πεμ, Νοέ 5 | 🌦️ Light showers | 9° / 6° | 31% · 13 mm | 10 km/h | 3 |
The two-week trend
Cooling. The second half of the window averages 6°C cooler than the days immediately ahead.
The window averages 15°C against a Οκτώβριος normal of 21°C - 6°C below.
The next 7 days carry about 2.2 times a normal week's rain for Οκτώβριος (33 mm against 15 mm).
What this means for Istanbul
Today is slightly warmer than average for Οκτώβριος. The forecast high of 23°C is 1.8°C above the 21°C typical for this month.
A 90% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in Ιούνιος έως Αύγουστος.
The gap between the warmest and coldest month averages 19°C.
What έως pack, what έως skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid Ιανουάριος, Φεβρουάριος and Δεκέμβριος - historically the least comfortable months here.
Δείτε την πρόγνωση για Istanbul ανά χρονικό διάστημα
Istanbul weather - more answers
Explore Istanbul
Every topic we hold for this place, and the same topic for the places around it.
Καιρός for related places
Frequently asked questions
Where is Istanbul?
Istanbul is a city in Τουρκία. Its coordinates are 41.0082, 28.9784. It lies in Ευρώπη.
What is the weather like in Istanbul τώρα?
It is currently 20°C (68°F) με Νεφελώδης. Υγρασία is 69% and wind is 18 km/h.
When is the best time έως visit Istanbul?
Ιούνιος, Ιούλιος and Αύγουστος offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. Ιανουάριος, Φεβρουάριος and Δεκέμβριος are usually the hardest months for outdoor plans.
What time zone is Istanbul in?
Istanbul observes Europe/Istanbul (UTC+03:00). The local time is 8:39 PM.
How many people live in Istanbul?
Istanbul has a population of approximately 15.6 million.
What is the nearest airport έως Istanbul?
The closest airports are Istanbul Airport (IST), 35 km away.
What are the top things έως do in Istanbul?
Popular options include Blue Mosque and Hagia Sophia.
What places are in Istanbul?
Istanbul covers 3 places in this atlas, including Blue Mosque, Hagia Sophia and Istanbul Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Πρόγνωση and observations | Open-Meteo (ECMWF and national models). |
| Ποιότητα αέρα and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Κλίμα averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated Οκτώβριος 23, 2026 at 8:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





