Yes
you do need a jacket based on the weather in Bydgoszcz, Poland 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
54°F12°C & Partly Cloudy
Wind is 7 mph12 km/h from the Southwest, gusting to 14 mph23 km/h
| November 4 | ||||
| 2pm | 53°F12°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 3pm | 51°F11°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 4pm | 50°F10°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 5pm | 49°F9°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 6pm | 48°F9°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 7pm | 48°F9°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 8pm | 47°F8°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 9pm | 46°F8°C | 5 mph9 km/h Southwest | Partly Cloudy | |
| 10pm | 46°F8°C | 5 mph8 km/h South | Partly Cloudy | |
| 11pm | 45°F7°C | 5 mph8 km/h South | Mostly Clear | |
| November 5 | ||||
| 12am | 44°F7°C | 5 mph8 km/h South | Partly Cloudy | |
| 1am | 44°F7°C | 5 mph8 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| November 3 | 40°F5°C | 54°F12°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Cloudy | 
| November 4 | 42°F5°C | 53°F11°C | 7 mph11 km/h from South | Partly Cloudy | Mostly Clear | 
| November 5 | 37°F3°C | 53°F12°C | 5 mph9 km/h from Southeast | Mostly Clear | Clear | 
| November 6 | 39°F4°C | 53°F12°C | 7 mph11 km/h from South | Clear | Clear | 
| November 7 | 38°F3°C | 52°F11°C | 3 mph5 km/h from South | Clear | Partly Cloudy | 
| November 8 | 39°F4°C | 47°F8°C | 3 mph5 km/h from West | Mostly Cloudy | Mostly Cloudy | 
| November 9 | 42°F5°C | 48°F9°C | 5 mph7 km/h from West | Cloudy | Cloudy | 
Yes
Low of 42°F6°C, High of 53°F12°CWind: 7 mph11 km/h
Precipitation: None