Istanbul Weather in October: What to Wear, See & Do (2025)
October in Istanbul is mild and pleasant—a welcome shift from the hot summer months. The days are generally warm with cooler evenings, making it comfortable for sightseeing and exploring. Temperature: Warm Days, Cool Nights October sees a comfortable range of temperatures. During the day, it averages around 16-18°C (61-64°F), though you may catch a few…