Yes

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

Why? Because there's a refreshing nip in the air!
49°F9°C & Cloudy

Wind is 1 mph2 km/h from the South, gusting to 4 mph6 km/h
November 9
3pm48°F9°C2 mph3 km/h SoutheastCloudy
4pm49°F9°C2 mph3 km/h SouthCloudy
5pm48°F9°C2 mph3 km/h SouthCloudy
6pm48°F9°C2 mph4 km/h SouthCloudy
7pm47°F8°C3 mph4 km/h SouthwestCloudy
8pm47°F8°C3 mph5 km/h SouthwestCloudy
9pm46°F8°C3 mph5 km/h SouthwestCloudy
10pm46°F8°C3 mph5 km/h SouthwestCloudy
11pm46°F8°C3 mph5 km/h SouthwestCloudy
November 10
12am46°F8°C4 mph6 km/h WestCloudy
1am45°F7°C4 mph6 km/h WestCloudy
2am45°F7°C4 mph6 km/h SouthwestCloudy
DateLowHighWindDayNight
November 843°F6°C49°F9°C2 mph4 km/h from SouthCloudyCloudy
November 943°F6°C49°F9°C3 mph5 km/h from SouthwestCloudyCloudy
November 1043°F6°C48°F9°C3 mph5 km/h from WestCloudyMostly Cloudy
November 1142°F5°C51°F11°C3 mph5 km/h from SouthwestMostly CloudyMostly Cloudy
November 1242°F5°C55°F13°C8 mph12 km/h from SouthwestMostly CloudyPartly Cloudy
November 1345°F7°C56°F13°C7 mph11 km/h from SouthwestMostly CloudyDrizzle
November 1442°F6°C49°F9°C8 mph13 km/h from NortheastDrizzleDrizzle

Yes

Low of 43°F6°C, High of 49°F10°C
Wind: 3 mph5 km/h
Precipitation: None

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