Weather for Istanbul, Turkey Weather data provided by Weather.com &reg At 2:15 PM Local 18C Partly Cloudy Wind: 16km/h N Humidity: 34% Tuesday May 6 High: 16C Low: 10C Mostly Sunny Wind: 18km/h NNE Humidity: 60% Wednesday May 7 High: 16C Low: 11C Mostly Cloudy Wind: 21km/h NE Humidity: 56% Thursday May 8 High: 16C Low: 9C Partly Cloudy Wind: 19km/h NNE Humidity: 54% Friday May 9 High: 15C Low: 8C Few Showers Wind: 11km/h NNE Humidity: 56%