Yes

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

Why? Because it's quite chilly!
39°F4°C & Clear

Wind is 6 mph10 km/h from the South, gusting to 12 mph20 km/h
November 6
4am39°F4°C7 mph11 km/h SouthClear
5am39°F4°C7 mph11 km/h SouthMostly Clear
6am39°F4°C7 mph12 km/h SouthMostly Clear
7am42°F5°C8 mph13 km/h SouthMostly Clear
8am45°F7°C8 mph13 km/h SouthMostly Clear
9am49°F9°C8 mph13 km/h SouthMostly Clear
10am52°F11°C8 mph13 km/h SouthMostly Clear
11am54°F12°C8 mph12 km/h SoutheastMostly Clear
12pm55°F13°C7 mph12 km/h SoutheastMostly Clear
1pm56°F13°C7 mph11 km/h SoutheastMostly Clear
2pm54°F12°C7 mph11 km/h SoutheastMostly Clear
3pm51°F11°C6 mph10 km/h SoutheastMostly Clear
DateLowHighWindDayNight
November 539°F4°C56°F13°C7 mph12 km/h from SoutheastMostly ClearMostly Clear
November 641°F5°C54°F12°C7 mph11 km/h from SoutheastClearMostly Clear
November 740°F4°C52°F11°C6 mph9 km/h from SoutheastPartly CloudyPartly Cloudy
November 841°F5°C50°F10°C4 mph6 km/h from SouthwestCloudyDrizzle
November 941°F5°C47°F8°C4 mph7 km/h from WestCloudyCloudy
November 1040°F5°C47°F8°C3 mph4 km/h from NortheastCloudyCloudy
November 1138°F3°C46°F8°C6 mph10 km/h from WestMostly CloudyMostly Cloudy

Yes

Low of 40°F5°C, High of 55°F13°C
Wind: 7 mph11 km/h
Precipitation: None

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