Yes
you do need a jacket based on the weather in Dortmund, Germany 1 second ago
Why? Because it's cold. simple as that.
45°F7°C & Mostly Cloudy
Wind is 4 mph7 km/h from the W, gusting to 15 mph24 km/h
| April 23 | ||||
| 3pm | 45°F7°C | 5 mph8 km/h W | Mostly Cloudy | |
| 4pm | 44°F7°C | 5 mph9 km/h W | Cloudy | |
| 5pm | 43°F6°C | 5 mph9 km/h W | Cloudy | |
| 6pm | 42°F6°C | 7 mph11 km/h SW | Cloudy | |
| 7pm | 41°F5°C | 7 mph12 km/h W | Cloudy | |
| 8pm | 40°F5°C | 6 mph10 km/h W | Cloudy | |
| 9pm | 40°F4°C | 6 mph10 km/h W | Mostly Cloudy | |
| 10pm | 39°F4°C | 6 mph10 km/h W | Mostly Cloudy | |
| 11pm | 38°F3°C | 6 mph10 km/h W | Cloudy | |
| April 24 | ||||
| 12am | 37°F3°C | 7 mph11 km/h W | Cloudy | |
| 1am | 37°F3°C | 7 mph11 km/h W | Mostly Cloudy | |
| 2am | 38°F3°C | 8 mph13 km/h W | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 22 | 31°F-1°C | 50°F10°C | 3 mph6 km/h from W | Mostly Cloudy | Drizzle |
| April 23 | 37°F3°C | 47°F8°C | 10 mph16 km/h from W | Rain | Rain |
| April 24 | 38°F3°C | 47°F9°C | 9 mph15 km/h from SW | Cloudy | Cloudy |
| April 25 | 40°F4°C | 55°F13°C | 6 mph10 km/h from SW | Mostly Cloudy | Partly Cloudy |
| April 26 | 42°F6°C | 65°F18°C | 7 mph12 km/h from SE | Mostly Cloudy | Mostly Cloudy |
| April 27 | 49°F10°C | 70°F21°C | 8 mph13 km/h from S | Partly Cloudy | Mostly Cloudy |
| April 28 | 54°F12°C | 67°F20°C | 5 mph8 km/h from SW | Cloudy | Cloudy |
Yes
Low of 37°F3°C, High of 47°F9°CWind: 10 mph16 km/h
Precipitation: 66% rain