Yes

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

Why? Because too cold for just a hoodie, too warm for a parka!
50°F10°C & Cloudy

Wind is 5 mph8 km/h from the South, gusting to 11 mph18 km/h
November 2
4am50°F10°C5 mph8 km/h SouthCloudy
5am50°F10°C5 mph8 km/h SouthCloudy
6am51°F11°C5 mph8 km/h SouthCloudy
7am52°F11°C5 mph8 km/h SouthCloudy
8am55°F13°C5 mph7 km/h SouthCloudy
9am57°F14°C4 mph7 km/h SouthCloudy
10am59°F15°C4 mph6 km/h SouthCloudy
11am60°F16°C4 mph6 km/h SouthwestCloudy
12pm61°F16°C4 mph6 km/h SouthwestCloudy
1pm60°F16°C3 mph6 km/h WestCloudy
2pm59°F15°C3 mph5 km/h WestCloudy
3pm57°F14°C2 mph3 km/h WestCloudy
DateLowHighWindDayNight
November 149°F10°C61°F16°C3 mph6 km/h from SouthwestCloudyRain
November 246°F8°C53°F12°C8 mph13 km/h from NorthwestRainMostly Cloudy
November 342°F6°C52°F11°C5 mph8 km/h from SouthwestPartly CloudyPartly Cloudy
November 441°F5°C56°F13°C6 mph9 km/h from SouthPartly CloudyPartly Cloudy
November 542°F5°C57°F14°C6 mph10 km/h from SoutheastMostly ClearMostly Clear
November 641°F5°C56°F13°C6 mph9 km/h from SouthMostly ClearPartly Cloudy
November 740°F4°C55°F13°C3 mph6 km/h from SouthPartly CloudyPartly Cloudy

Yes

Low of 46°F8°C, High of 54°F12°C
Wind: 8 mph13 km/h
Precipitation: 88% rain

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