Weather in Istanbul Today
Current temperature in Istanbul: 27°C (81°F). Mainly Clear. Today's high 27°C (81°F), low 21°C (70°F).
Today's Daylight Forecast
Moon & Islamic Calendar
High UV apply sunscreen before heading out. A hat or sun umbrella is recommended during peak hours.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 26°C.
13 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Health & Activity Advice
UV index is 6 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.
Nearby Regional Outlook
Istanbul Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Istanbul?
The hottest month in Istanbul is typically July, with daytime highs averaging around 29.3°C (85°F), based on 10 years of historical weather data. Overnight lows during this period average near 21.4°C (71°F).
What is the coldest month in Istanbul?
The coldest month in Istanbul is typically January, with overnight lows averaging around 4.3°C (40°F) and daytime highs near 9.3°C (49°F), based on 10 years of historical weather data.
Does Istanbul have a rainy season?
Istanbul doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. January is the wettest month on average (about 105 mm), while August is the driest (about 15 mm).
What's the best time of year to visit Istanbul?
The best time to visit Istanbul is typically July to October, when daytime highs average a comfortable 26.1°C (79°F). Rainfall during this window averages around 34 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.
Is Istanbul's air quality safe right now?
As of the latest reading, Istanbul's air quality index (AQI) is 40, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.