City in Tyrkiet

Istanbul Vejr Prognose

Istanbul weather: 20°C, delvist skyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

⛅ 20°C now🕔 11:24 AM local📅 Best: juni, juli and august👥 15.6 million

14-day forecast for Istanbul

Maks. / Min.; Nedbør; UV

DagForholdMaks. / Min.NedbørVindUV
man, okt 5⛅ Delvist skyet21° / 14°0%18 km/h5
tir, okt 6☁️ Overskyet21° / 15°0%16 km/h5
ons, okt 7☁️ Overskyet22° / 14°0%14 km/h4
tor, okt 8☁️ Overskyet20° / 13°0%10 km/h4
fre, okt 9🌤️ Mest klart23° / 15°5%13 km/h5
lør, okt 10⛅ Delvist skyet25° / 17°18%15 km/h3
søn, okt 11☁️ Overskyet24° / 16°13%8 km/h4
man, okt 12🌦️ Light showers20° / 16°21% · 5 mm15 km/h4
tir, okt 13🌦️ Light drizzle20° / 15°9% · 1 mm20 km/h3
ons, okt 14☁️ Overskyet18° / 14°14%15 km/h3
tor, okt 15⛅ Delvist skyet19° / 13°27%17 km/h4
fre, okt 16☀️ Klar himmel18° / 12°20%14 km/h1
lør, okt 17🌦️ Støvregn15° / 11°17% · 4 mm22 km/h2
søn, okt 18🌦️ Light showers13° / 11°16% · 6 mm13 km/h2

The two-week trend

Temperature trend

Cooling. The second half of the window averages 5°C cooler than the days immediately ahead.

Against the normal

The window averages 19°C against a oktober normal of 21°C - right on average.

Regnfall

The next 7 days look unusually dry - roughly 0% of a normal oktober week (0 mm against 15 mm).

What this means for Istanbul

Compared med normal

Today is about average for oktober. The forecast high of 21°C is in line med the 21°C typical for this month.

Regn chance explained

Regn is very unlikely today - plans do not need a backup.

Rejser and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in juni og august.

Worth knowing

The gap between the warmest and coldest month averages 19°C.

What og pack, what og skip

Pack for the next 7 days
  • sønglasses, a brimmed hat and SPF 30+
Worth avoiding
  • 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

Every topic we hold for this place, and the same topic for the places around it.

Vejr for related places

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 20°C (68°F) med delvist skyet. Luftfugtighed is 55% and wind is 14 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 11:24 AM.

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 dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 5, 2026 at 11:24 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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