Istanbul 天気 予報
Istanbul weather: 14°C, ほぼ晴れ. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
14-day forecast for Istanbul
最高 / 最低; 降水; UV
| 日 | 状況 | 最高 / 最低 | 降水 | 風 | UV |
|---|---|---|---|---|---|
| 日, 10月 25 | ☁️ 曇り | 21° / 14° | 0% | 16 km/h | 3 |
| 月, 10月 26 | ☁️ 曇り | 20° / 15° | 23% | 18 km/h | 3 |
| 火, 10月 27 | 🌧️ 雨 | 16° / 14° | 91% · 20 mm | 29 km/h | 1 |
| 水, 10月 28 | 🌦️ 弱い雨 | 14° / 11° | 56% · 12 mm | 18 km/h | 1 |
| 木, 10月 29 | ☁️ 曇り | 15° / 9° | 46% | 14 km/h | 1 |
| 金, 10月 30 | ☁️ 曇り | 16° / 11° | 34% | 14 km/h | 2 |
| 土, 10月 31 | 🌥️ 霧 | 16° / 8° | 41% | 14 km/h | 3 |
| 日, 11月 1 | ☁️ 曇り | 16° / 12° | 39% | 17 km/h | 3 |
| 月, 11月 2 | 🌦️ Light drizzle | 15° / 13° | 34% · 0 mm | 18 km/h | 3 |
| 火, 11月 3 | 🌧️ Heavy drizzle | 15° / 12° | 25% · 18 mm | 26 km/h | 2 |
| 水, 11月 4 | 🌦️ 霧雨 | 13° / 9° | 43% · 8 mm | 29 km/h | 3 |
| 木, 11月 5 | 🌦️ Light drizzle | 11° / 9° | 31% · 4 mm | 16 km/h | 3 |
| 金, 11月 6 | ☁️ 曇り | 14° / 8° | 24% | 8 km/h | 3 |
| 土, 11月 7 | 🌦️ Light drizzle | 13° / 8° | 24% · 1 mm | 17 km/h | 3 |
The two-week trend
Cooling. The second half of the window averages 3°C cooler than the days immediately ahead.
The window averages 15°C against a 10月 normal of 21°C - 5°C below.
The next 7 days carry about 2.1 times a normal week's rain for 10月 (32 mm against 15 mm).
What this means for Istanbul
Today is about average for 10月. The forecast high of 21°C is in line、the 21°C typical for this month.
雨 is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in 6月から8月.
The gap between the warmest and coldest month averages 19°C.
Whatからpack, whatからskip
- Layers - the daily swing is 12°C, so mornings feel nothing like afternoons
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
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 14°C (56°F)、ほぼ晴れ. 湿度 is 88% and wind is 6 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 3:04 AM.
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 25, 2026 at 3:04 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
