Yes

you do need a jacket based on the weather in Wrocław, Poland 19 minutes ago

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it and it's so windy, your hat has officially retired from your head!
44°F6°C & Cloudy

Wind is 12 mph19 km/h from the South, gusting to 22 mph35 km/h
December 22
9am43°F6°C12 mph19 km/h SouthwestCloudy
10am42°F6°C10 mph16 km/h SouthwestCloudy
11am41°F5°C9 mph14 km/h SouthwestDrizzle
12pm41°F5°C8 mph13 km/h SouthCloudy
1pm40°F5°C7 mph11 km/h SouthwestRain
2pm40°F4°C6 mph10 km/h SouthwestCloudy
3pm40°F4°C7 mph11 km/h SouthwestCloudy
4pm39°F4°C7 mph12 km/h WestCloudy
5pm39°F4°C9 mph14 km/h WestCloudy
6pm38°F4°C9 mph15 km/h WestCloudy
7pm38°F3°C10 mph16 km/h WestCloudy
8pm37°F3°C9 mph15 km/h WestCloudy
DateLowHighWindDayNight
December 2138°F4°C45°F7°C11 mph18 km/h from SouthwestRainRain
December 2231°F-0°C40°F4°C5 mph9 km/h from WestMostly CloudyMostly Cloudy
December 2331°F-1°C37°F3°C6 mph9 km/h from NorthPartly CloudyMostly Cloudy
December 2429°F-2°C37°F3°C3 mph5 km/h from SouthMostly CloudyCloudy
December 2529°F-1°C36°F2°C5 mph7 km/h from SoutheastMostly CloudyPartly Cloudy
December 2629°F-1°C36°F2°C2 mph4 km/h from NortheastPartly CloudyMostly Cloudy
December 2728°F-2°C34°F1°C4 mph6 km/h from SoutheastMostly CloudyPartly Cloudy

Yes

Low of 31°F-1°C, High of 39°F4°C
Wind: 5 mph9 km/h
Precipitation: None

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