City in Turkey

Istanbul Weather Forecast

Istanbul weather: 56°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 56°F now🕔 11:41 AM local📅 Best: June, July and August👥 15.6 million

Summary

Istanbul is a city in Turkey. Istanbul is known for Hagia Sophia, bazaars and the Bosphorus. It has a population of about 15.6 million.

Right now it is 56°F (13°C) in Istanbul with overcast. It feels like 50°F. Today runs from 53°F to 62°F. Chance of precipitation is 100%. Sightseeing conditions score 6.3/10 - fair - plan around the weather.

The best time to visit Istanbul is June, July and August. The climate is Mediterranean. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 88°F, while February is the coldest with lows near 40°F.

The closest major airport is Istanbul Airport (IST), about 22 mi away. Nearby highlights include Blue Mosque and Hagia Sophia.

In plain terms. Today is cooler than average for October. The forecast high of 62°F is 7.2°F below the 69°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Istanbul today at 8.4/10. Gusts to 32 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Istanbul

⚠️Thu, Oct 29: heavy rain, 1,3 in. Flooding and delays possible.

Derived from the forecast. No official alert feed is wired for this country yet.

Weather in Istanbul right now

☁️
56°F
Overcast · feels like 50°F
Humidity86%
Wind16 mph N
Gusts32 mph
UV index0.4 · Low
Cloud cover100%
Pressure1008 hPa
VisibilityExcellent · 14 mi
Air quality58 · Moderate
Sunrise7:29 AM
Sunset6:06 PM
Moon🌕 Full moon · 99%

Source: Open-Meteo. Updated 11:41 AM, Oct 27 local time.

⚠️Thu, Oct 29: heavy rain, 1,3 in. Flooding and delays possible.

See the Istanbul forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

11 AM☁️56°68%17 mph
12 PM☁️57°38%15 mph
1 PM☁️57°35%15 mph
2 PM☁️57°33%14 mph
3 PM☁️56°18%10 mph
4 PM☁️56°8%9 mph
5 PM☁️56°0%7 mph
6 PM☁️55°0%5 mph
7 PM☁️54°0%4 mph
8 PM☁️54°0%2 mph
9 PM☁️54°0%2 mph
10 PM☁️53°0%3 mph
11 PM☁️53°0%3 mph
12 AM☁️53°0%4 mph
1 AM☁️53°3%4 mph
2 AM☁️53°0%3 mph
3 AM☁️53°3%4 mph
4 AM☁️54°3%5 mph
5 AM☁️55°10%5 mph
6 AM☁️55°25%6 mph
7 AM🌦️56°30%6 mph
8 AM🌦️56°28%7 mph
9 AM🌦️57°25%8 mph
10 AM☁️59°25%10 mph

16-day forecast for Istanbul

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Tue, Oct 27🌦️ Light showers62° / 53°100% · 0,6 in17 mph1
Wed, Oct 28🌦️ Light showers63° / 53°30% · 0,1 in14 mph2
Thu, Oct 29⛈️ Thunderstorm62° / 60°99% · 1,3 in12 mph3
Fri, Oct 30🌦️ Light rain60° / 55°83% · 0,1 in12 mph3
Sat, Oct 31☁️ Overcast61° / 54°18%8 mph2
Sun, Nov 1🌦️ Light rain64° / 54°24%8 mph2
Mon, Nov 2🌦️ Light rain70° / 56°43% · 0,1 in11 mph3
Tue, Nov 3🌦️ Light showers66° / 41°44% · 0,1 in9 mph2
Wed, Nov 4🌦️ Drizzle54° / 40°45% · 0,2 in4 mph1
Thu, Nov 5🌦️ Light drizzle49° / 42°47% · 0,2 in5 mph2
Fri, Nov 6☁️ Overcast49° / 38°36%6 mph3
Sat, Nov 7☀️ Clear sky52° / 38°36%9 mph2
Sun, Nov 8☁️ Overcast56° / 40°29%6 mph1
Mon, Nov 9🌦️ Light drizzle57° / 44°24% · 0,1 in6 mph0
Tue, Nov 10🌦️ Light showers54° / 47°22% · 0,8 in5 mph2
Wed, Nov 11☁️ Overcast51° / 47°26%13 mph2

Climate in Istanbul month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January51°42°4,3 in★★★☆☆
February51°40°2,8 in★★★☆☆
March58°43°3,2 in★★★☆☆
April64°48°2,2 in★★★★☆
May71°55°2,6 in★★★★☆
June84°66°0,3 in★★★★★
July88°71°0,9 in★★★★★
August86°71°0,5 in★★★★★
September79°65°1,8 in★★★★☆
October69°56°2,6 in★★★★☆
November62°51°5,0 in★★★☆☆
December54°45°4,1 in★★★☆☆

Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).

Weather map for Istanbul

Animated model layers. Pick a layer to load it.

Loading map…

Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Istanbul

58
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.58.1 µg/m³
PM1010.3 µg/m³
Ozone51 µg/m³
NO₂12.1 µg/m³
UV index0.4 · Low
Airborne hazeClear air

Pollen today

AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone

Pollen is modelled for Europe only; other regions show no values.

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise7:29 AM
Sunset6:06 PM
Daylight10h 37m
Solar noon12:47 PM
Golden hour (am)7:29 AM - 8:29 AM
Golden hour (pm)5:06 PM - 6:06 PM
Blue hour (am)6:59 AM - 7:29 AM
Blue hour (pm)6:06 PM - 6:36 PM
Moon phase🌕 Full moon · 99%
Moonrise6:25 PM
Moonset9:05 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Istanbul

Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★★☆☆
February★★★☆☆
March★★★☆☆
April★★★★☆
May★★★★☆
June★★★★★
July★★★★★
August★★★★★
September★★★★☆
October★★★★☆
November★★★☆☆
December★★★☆☆

Weather by attraction in Istanbul

2 attractions mapped in this atlas

Weather by airport in Istanbul

1 airports mapped in this atlas

Explore Istanbul

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

Weather for related places

Frequently asked questions

Where is Istanbul?

Istanbul is a city in Turkey. Its coordinates are 41.0082, 28.9784. It lies in Europe.

What is the weather like in Istanbul right now?

It is currently 56°F (13°C) with overcast. Humidity is 86% and wind is 16 mph.

When is the best time to visit Istanbul?

June, July and August offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. January, February 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 11:41 AM.

How many people live in Istanbul?

Istanbul has a population of approximately 15.6 million.

What is the nearest airport to Istanbul?

The closest airports are Istanbul Airport (IST), 22 mi away.

What are the top things to 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.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate 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 October 27, 2026 at 11:41 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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