What weather should I expect in Istanbul in early October, and is it still warm enough for a beach trip?

From messages by 4 participants in 2 sources · Last activity: 27 days ago

TL;DR

Early October in Istanbul can still feel summery, but conditions are variable: heavy rain, strong winds and storms are possible. Pack light summer clothes as well as a rain jacket and a warm layer.

What the community said

The first week of October can include stormy spells: very heavy rain and storms were reported for roughly October 6–8 over three days.

27 days ago October 6–8

In summer, coastal temperatures were around 30–32°C before dropping to about 26°C. Even 26°C still felt comfortable, but temperatures near the sea may change with currents.

43 days ago 26–32°C

One early-October trip was warm even in the evenings and felt almost like summer during the day. In another year, several days brought hurricane-force wind, heavy rain and a marked cool-down.

55 days ago Early October

Istanbul weather can change sharply even during a five-day visit: reported conditions ranged from 17°C to 30°C, including strong wind, heavy rain and heat.

64 days ago 17–30°C