Yes

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

Why? Because it's quite chilly!
44°F7°C & Mostly Clear

Wind is 4 mph6 km/h from the Southwest, gusting to 6 mph10 km/h
November 4
6pm44°F7°C4 mph6 km/h SouthwestMostly Clear
7pm43°F6°C4 mph6 km/h SouthwestMostly Clear
8pm42°F6°C4 mph6 km/h SouthwestMostly Clear
9pm42°F5°C4 mph6 km/h SouthwestMostly Clear
10pm41°F5°C4 mph6 km/h SouthwestClear
11pm40°F4°C3 mph6 km/h SouthClear
November 5
12am39°F4°C3 mph5 km/h SouthClear
1am39°F4°C3 mph6 km/h SouthClear
2am38°F4°C4 mph6 km/h SouthClear
3am38°F3°C4 mph6 km/h SouthClear
4am37°F3°C4 mph7 km/h SouthClear
5am37°F3°C4 mph7 km/h SouthClear
DateLowHighWindDayNight
November 340°F4°C53°F12°C5 mph8 km/h from WestMostly ClearClear
November 437°F3°C53°F12°C7 mph11 km/h from SoutheastPartly CloudyMostly Clear
November 538°F4°C55°F13°C8 mph12 km/h from SoutheastMostly ClearMostly Clear
November 638°F3°C53°F12°C5 mph8 km/h from SoutheastClearMostly Clear
November 737°F3°C54°F12°C3 mph4 km/h from SoutheastMostly ClearMostly Cloudy
November 840°F4°C49°F10°C3 mph4 km/h from NorthwestMostly CloudyCloudy
November 940°F5°C46°F8°C5 mph8 km/h from NorthwestCloudyCloudy

Yes

Low of 37°F3°C, High of 53°F12°C
Wind: 7 mph11 km/h
Precipitation: None

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