Istanbul 天気 予報
Istanbul weather: 20°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Risk assessment for Istanbul
Derived from the current forecast window - not an official warning.
Peak gusts of 60 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 24 mm, 99 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Istanbul
最高 / 最低; 降水; UV
| 日 | 状況 | 最高 / 最低 | 降水 | 風 | UV |
|---|---|---|---|---|---|
| 金, 10月 23 | 🌧️ にわか雨 | 23° / 16° | 90% · 5 mm | 18 km/h | 4 |
| 土, 10月 24 | ☁️ 曇り | 19° / 14° | 3% | 15 km/h | 4 |
| 日, 10月 25 | ☁️ 曇り | 21° / 13° | 0% | 11 km/h | 3 |
| 月, 10月 26 | ☁️ 曇り | 19° / 15° | 31% · 0 mm | 16 km/h | 2 |
| 火, 10月 27 | 🌧️ 雨 | 16° / 14° | 38% · 24 mm | 31 km/h | 3 |
| 水, 10月 28 | 🌦️ 弱い雨 | 16° / 11° | 32% · 3 mm | 23 km/h | 2 |
| 木, 10月 29 | 🌦️ 弱い雨 | 15° / 10° | 35% | 18 km/h | 3 |
| 金, 10月 30 | 🌦️ Light showers | 16° / 11° | 39% · 3 mm | 21 km/h | 4 |
| 土, 10月 31 | 🌦️ Light showers | 14° / 10° | 40% · 8 mm | 13 km/h | 3 |
| 日, 11月 1 | 🌦️ Light showers | 14° / 9° | 39% · 10 mm | 8 km/h | 3 |
| 月, 11月 2 | 🌦️ Light showers | 13° / 9° | 34% · 17 mm | 21 km/h | 3 |
| 火, 11月 3 | 🌦️ Light drizzle | 13° / 8° | 25% · 3 mm | 16 km/h | 3 |
| 水, 11月 4 | 🌦️ 霧雨 | 10° / 6° | 43% · 8 mm | 18 km/h | 2 |
| 木, 11月 5 | 🌦️ Light showers | 9° / 6° | 31% · 13 mm | 10 km/h | 3 |
| 金, 11月 6 | 🌦️ Light drizzle | 11° / 6° | 24% · 4 mm | 15 km/h | 2 |
| 土, 11月 7 | 🌦️ Light drizzle | 15° / 9° | 23% · 0 mm | 16 km/h | 3 |
What this means for Istanbul
Today is slightly warmer than average for 10月. 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 6月から8月.
The gap between the warmest and coldest month averages 19°C.
時間帯別のIstanbul 予報を見る
Istanbul weather - more answers
Explore Istanbul
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Istanbul?
Istanbul is a city in トルコ. Its coordinates are 41.0082, 28.9784. It lies in ヨーロッパ.
What is the weather like in Istanbul現在?
It is currently 20°C (68°F)、曇り. 湿度 is 69% and wind is 18 km/h.
When is the best timeからvisit Istanbul?
6月, 7月 and 8月 offer the most comfortable conditions in Istanbul, which has a Mediterranean climate. 1月, 2月 and 12月 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 11:18 PM.
How many people live in Istanbul?
Istanbul has a population of approximately 15.6 million.
What is the nearest airportからIstanbul?
The closest airports are Istanbul Airport (IST), 35 km away.
What are the top thingsから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. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 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 10月 23, 2026 at 11:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
