Yes
you do need a jacket based on the weather in Karlsruhe, Germany 1 second ago
Why? Because it's bitterly cold.
40°F4°C & Cloudy
Wind is 4 mph6 km/h from the NW, gusting to 8 mph13 km/h
| April 18 | ||||
| 3am | 40°F4°C | 4 mph7 km/h NW | Cloudy | |
| 4am | 41°F5°C | 4 mph7 km/h NW | Cloudy | |
| 5am | 43°F6°C | 5 mph8 km/h N | Mostly Cloudy | |
| 6am | 45°F7°C | 5 mph8 km/h NW | Mostly Cloudy | |
| 7am | 47°F8°C | 5 mph9 km/h NW | Cloudy | |
| 8am | 49°F9°C | 6 mph9 km/h N | Cloudy | |
| 9am | 50°F10°C | 6 mph9 km/h N | Cloudy | |
| 10am | 51°F10°C | 6 mph9 km/h NW | Mostly Cloudy | |
| 11am | 51°F11°C | 6 mph9 km/h N | Partly Cloudy | |
| 12pm | 52°F11°C | 6 mph9 km/h NW | Partly Cloudy | |
| 1pm | 51°F10°C | 4 mph7 km/h NW | Mostly Clear | |
| 2pm | 48°F9°C | 3 mph5 km/h W | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 17 | 39°F4°C | 52°F11°C | 5 mph8 km/h from NW | Drizzle | Mostly Cloudy |
| April 18 | 40°F5°C | 47°F8°C | 15 mph24 km/h from SW | Rain | Drizzle |
| April 19 | 40°F4°C | 51°F11°C | 9 mph14 km/h from NW | Drizzle | Mostly Cloudy |
| April 20 | 38°F3°C | 52°F11°C | 6 mph10 km/h from NE | Drizzle | Partly Cloudy |
| April 21 | 35°F2°C | 51°F10°C | 9 mph14 km/h from NE | Rain | Mostly Cloudy |
| April 22 | 37°F3°C | 52°F11°C | 10 mph16 km/h from NE | Cloudy | Mostly Cloudy |
| April 23 | 39°F4°C | 54°F12°C | 6 mph10 km/h from N | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 40°F5°C, High of 47°F9°CWind: 15 mph24 km/h
Precipitation: 69% rain