No

you don't need a jacket based on the weather in Istanbul, Turkey 4 minutes ago

79°F26°C & Clear

Wind is 7 mph11 km/h from the Southwest, gusting to 14 mph22 km/h
May 23
9am79°F26°C7 mph11 km/h SouthwestClear
10am79°F26°C6 mph9 km/h SouthwestClear
11am78°F25°C5 mph7 km/h SouthwestMostly Clear
12pm76°F25°C3 mph5 km/h SouthClear
1pm74°F23°C2 mph3 km/h SoutheastPartly Cloudy
2pm72°F22°C3 mph4 km/h SouthPartly Cloudy
3pm70°F21°C2 mph4 km/h SouthwestPartly Cloudy
4pm68°F20°C2 mph3 km/h SouthPartly Cloudy
5pm68°F20°C3 mph5 km/h SouthwestPartly Cloudy
6pm67°F19°C3 mph5 km/h SouthwestPartly Cloudy
7pm66°F19°C3 mph5 km/h SouthPartly Cloudy
8pm65°F18°C3 mph5 km/h SouthMostly Clear
DateLowHighWindDayNight
May 2263°F17°C79°F26°C6 mph9 km/h from SouthwestMostly ClearPartly Cloudy
May 2364°F18°C81°F27°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy
May 2464°F18°C77°F25°C10 mph16 km/h from NorthPartly CloudyDrizzle
May 2561°F16°C69°F21°C9 mph14 km/h from NorthRainRain
May 2658°F15°C68°F20°C9 mph14 km/h from NorthDrizzleMostly Clear
May 2758°F14°C70°F21°C8 mph13 km/h from NorthPartly CloudyPartly Cloudy
May 2859°F15°C72°F22°C5 mph8 km/h from NortheastDrizzlePartly Cloudy

No

Low of 64°F18°C, High of 81°F27°C
Wind: 5 mph8 km/h
Precipitation: None

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