Istanbul Vejr Prognose
Istanbul weather: 15°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
14-day forecast for Istanbul
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| ons, okt 28 | ☁️ Overskyet | 18° / 13° | 43% | 20 km/h | 2 |
| tor, okt 29 | ⛈️ Tordenvejr | 17° / 16° | 75% · 21 mm | 23 km/h | 2 |
| fre, okt 30 | 🌦️ Light showers | 16° / 13° | 58% · 9 mm | 20 km/h | 2 |
| lør, okt 31 | ☁️ Overskyet | 17° / 13° | 15% | 14 km/h | 3 |
| søn, nov 1 | 🌦️ Let regn | 18° / 13° | 24% · 0 mm | 14 km/h | 3 |
| man, nov 2 | 🌦️ Light showers | 23° / 14° | 36% · 2 mm | 9 km/h | 2 |
| tir, nov 3 | 🌦️ Light showers | 21° / 16° | 40% · 3 mm | 7 km/h | 0 |
| ons, nov 4 | 🌦️ Light drizzle | 17° / 10° | 60% · 3 mm | 25 km/h | 0 |
| tor, nov 5 | 🌦️ Light drizzle | 11° / 8° | 53% · 2 mm | 18 km/h | 0 |
| fre, nov 6 | ☁️ Overskyet | 11° / 6° | 29% | 11 km/h | 1 |
| lør, nov 7 | 🌦️ Light drizzle | 12° / 6° | 24% · 4 mm | 17 km/h | 1 |
| søn, nov 8 | 🌦️ Light drizzle | 11° / 8° | 29% · 1 mm | 14 km/h | 1 |
| man, nov 9 | 🌤️ Mest klart | 13° / 7° | 28% | 11 km/h | 2 |
| tir, nov 10 | ☀️ Klar himmel | 15° / 6° | 27% | 8 km/h | 3 |
The two-week trend
Cooling. The second half of the window averages 5°C cooler than the days immediately ahead.
The window averages 16°C against a oktober normal of 21°C - 5°C below.
The next 7 days carry about 2.3 times a normal week's rain for oktober (35 mm against 15 mm).
What this means for Istanbul
Today is slightly cooler than average for oktober. The forecast high of 18°C is 2.5°C below the 21°C typical for this month.
A 43% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni og august.
The gap between the warmest and coldest month averages 19°C.
What og pack, what og skip
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.
Se prognosen for Istanbul efter tidsinterval
Istanbul weather - more answers
Explore Istanbul
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Frequently asked questions
Where is Istanbul?
Istanbul is a city in Tyrkiet. Its coordinates are 41.0082, 28.9784. It lies in Europa.
What is the weather like in Istanbul lige nu?
It is currently 15°C (59°F) med overskyet. Luftfugtighed is 88% and wind is 18 km/h.
When is the best time og visit Istanbul?
juni, juli and august offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. januar, februar and december 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 12:21 PM.
How many people live in Istanbul?
Istanbul has a population of approximately 15.6 million.
What is the nearest airport og Istanbul?
The closest airports are Istanbul Airport (IST), 35 km away.
What are the top things og 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 oktober 28, 2026 at 12:21 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





