Yes

you do need a jacket based on the weather in Szczecin, Poland 1 second ago

Why? Because it's fairly windy outside!
73°F23°C & Partly Cloudy

Wind is 9 mph15 km/h from the Northwest, gusting to 22 mph35 km/h
July 4
11am73°F23°C8 mph13 km/h NorthwestPartly Cloudy
12pm73°F23°C7 mph12 km/h NorthwestPartly Cloudy
1pm71°F22°C7 mph11 km/h NorthwestPartly Cloudy
2pm70°F21°C5 mph8 km/h NorthwestMostly Cloudy
3pm67°F19°C4 mph6 km/h NorthPartly Cloudy
4pm64°F18°C3 mph5 km/h NortheastMostly Cloudy
5pm62°F17°C3 mph6 km/h SoutheastMostly Cloudy
6pm60°F16°C4 mph6 km/h SouthMostly Cloudy
7pm59°F15°C4 mph6 km/h SouthPartly Cloudy
8pm58°F15°C4 mph7 km/h SouthPartly Cloudy
9pm57°F14°C5 mph8 km/h SouthMostly Clear
10pm57°F14°C6 mph9 km/h SouthMostly Clear
DateLowHighWindDayNight
July 353°F11°C73°F23°C6 mph9 km/h from WestMostly CloudyPartly Cloudy
July 456°F14°C78°F25°C10 mph15 km/h from SouthwestCloudyMostly Cloudy
July 559°F15°C76°F24°C9 mph14 km/h from SouthwestCloudyDrizzle
July 658°F15°C73°F23°C9 mph15 km/h from SouthwestRainDrizzle
July 755°F13°C70°F21°C11 mph18 km/h from WestDrizzleRain
July 855°F13°C72°F22°C12 mph19 km/h from NorthwestDrizzleMostly Clear
July 955°F13°C72°F22°C8 mph13 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 56°F14°C, High of 78°F26°C
Wind: 10 mph15 km/h
Precipitation: None

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