No

you don't need a jacket based on the weather in Kraków, Poland 1 second ago

59°F15°C & Clear

Wind is 2 mph3 km/h from the West, gusting to 6 mph10 km/h
August 26
4am62°F17°C3 mph4 km/h WestClear
5am65°F18°C4 mph6 km/h WestMostly Clear
6am68°F20°C5 mph9 km/h WestMostly Clear
7am69°F21°C7 mph11 km/h WestMostly Clear
8am71°F21°C8 mph14 km/h WestMostly Clear
9am72°F22°C9 mph15 km/h WestClear
10am72°F22°C9 mph14 km/h WestClear
11am72°F22°C8 mph12 km/h WestClear
12pm70°F21°C4 mph7 km/h NorthwestClear
1pm67°F19°C3 mph4 km/h NorthwestClear
2pm63°F17°C2 mph3 km/h NorthClear
3pm61°F16°C1 mph1 km/h EastClear
DateLowHighWindDayNight
August 2548°F9°C72°F22°C5 mph9 km/h from WestClearMostly Clear
August 2650°F10°C77°F25°C2 mph4 km/h from EastPartly CloudyMostly Clear
August 2756°F14°C85°F30°C8 mph12 km/h from SouthMostly ClearMostly Clear
August 2867°F19°C83°F28°C7 mph12 km/h from SouthwestPartly CloudyMostly Cloudy
August 2963°F17°C76°F24°C8 mph12 km/h from WestDrizzlePartly Cloudy
August 3058°F15°C78°F25°C5 mph8 km/h from WestMostly ClearPartly Cloudy
August 3162°F17°C80°F27°C6 mph9 km/h from SouthwestPartly CloudyDrizzle

Yes

Low of 50°F10°C, High of 77°F25°C
Wind: 2 mph4 km/h
Precipitation: None

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