City in Τουρκία

Istanbul Καιρός Πρόγνωση

Istanbul weather: 20°C, Νεφελώδης. Ανά ώρα forecast, 14-day outlook, UV, air quality and the best time έως visit.

☁️ 20°C now🕔 8:39 PM local📅 Best: Ιούνιος, Ιούλιος and Αύγουστος👥 15.6 million

14-day forecast for Istanbul

Μέγ. / Ελάχ.; Υετός; UV

ΗμέραΣυνθήκεςΜέγ. / Ελάχ.ΥετόςΆνεμοςUV
Παρ, Οκτ 23🌧️ Μπόρες23° / 16°90% · 5 mm18 km/h4
Σαβ, Οκτ 24☁️ Νεφελώδης19° / 14°3%15 km/h4
Κυρ, Οκτ 25☁️ Νεφελώδης21° / 13°0%11 km/h3
Δευ, Οκτ 26☁️ Νεφελώδης19° / 15°31% · 0 mm16 km/h2
Τρι, Οκτ 27🌧️ Βροχή16° / 14°38% · 24 mm31 km/h3
Τετ, Οκτ 28🌦️ Ασθενής βροχή16° / 11°32% · 3 mm23 km/h2
Πεμ, Οκτ 29🌦️ Ασθενής βροχή15° / 10°35%18 km/h3
Παρ, Οκτ 30🌦️ Light showers16° / 11°39% · 3 mm21 km/h4
Σαβ, Οκτ 31🌦️ Light showers14° / 10°40% · 8 mm13 km/h3
Κυρ, Νοέ 1🌦️ Light showers14° / 9°39% · 10 mm8 km/h3
Δευ, Νοέ 2🌦️ Light showers13° / 9°34% · 17 mm21 km/h3
Τρι, Νοέ 3🌦️ Light drizzle13° / 8°25% · 3 mm16 km/h3
Τετ, Νοέ 4🌦️ Ψιχάλα10° / 6°43% · 8 mm18 km/h2
Πεμ, Νοέ 5🌦️ Light showers9° / 6°31% · 13 mm10 km/h3

The two-week trend

Temperature trend

Cooling. The second half of the window averages 6°C cooler than the days immediately ahead.

Against the normal

The window averages 15°C against a Οκτώβριος normal of 21°C - 6°C below.

Βροχήfall

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

Compared με normal

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.

Βροχή chance explained

A 90% chance means rain is expected over most of the area. Plan indoor alternatives.

Ταξίδια and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in Ιούνιος έως Αύγουστος.

Worth knowing

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

What έως pack, what έως skip

Pack for the next 7 days
  • Normal seasonal clothing - nothing unusual is needed this week
Worth avoiding
  • 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 dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Πρόγνωση and observationsOpen-Meteo (ECMWF and national models).
Ποιότητα αέρα and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Κλίμα 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 Οκτώβριος 23, 2026 at 8:39 PM 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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