Yes
you do need a jacket based on the weather in St Gallen, Switzerland 1 second ago
Why? Because it's cold. simple as that.
39°F4°C & Mostly Clear
Wind is 4 mph6 km/h from the S, gusting to 8 mph13 km/h
| April 27 | ||||
| 2am | 43°F6°C | 4 mph6 km/h S | Mostly Clear | |
| 3am | 48°F9°C | 3 mph4 km/h SE | Mostly Clear | |
| 4am | 52°F11°C | 3 mph5 km/h SE | Mostly Clear | |
| 5am | 55°F13°C | 4 mph6 km/h SE | Mostly Clear | |
| 6am | 59°F15°C | 4 mph6 km/h SE | Clear | |
| 7am | 61°F16°C | 4 mph7 km/h SE | Clear | |
| 8am | 64°F18°C | 5 mph8 km/h S | Clear | |
| 9am | 65°F18°C | 6 mph10 km/h S | Mostly Clear | |
| 10am | 65°F18°C | 8 mph13 km/h S | Mostly Clear | |
| 11am | 64°F18°C | 8 mph14 km/h S | Partly Cloudy | |
| 12pm | 63°F17°C | 8 mph13 km/h S | Partly Cloudy | |
| 1pm | 60°F16°C | 6 mph10 km/h S | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 36°F2°C | 65°F18°C | 5 mph8 km/h from SE | Mostly Clear | Mostly Cloudy |
| April 27 | 48°F9°C | 66°F19°C | 4 mph6 km/h from SW | Mostly Cloudy | Cloudy |
| April 28 | 45°F7°C | 66°F19°C | 3 mph5 km/h from NE | Mostly Cloudy | Mostly Cloudy |
| April 29 | 51°F10°C | 70°F21°C | 3 mph5 km/h from SE | Cloudy | Mostly Cloudy |
| April 30 | 51°F11°C | 67°F20°C | 3 mph5 km/h from NE | Drizzle | Rain |
| May 1 | 47°F8°C | 56°F13°C | 6 mph10 km/h from W | Drizzle | Rain |
| May 2 | 44°F7°C | 57°F14°C | 4 mph7 km/h from NW | Drizzle | Partly Cloudy |
Yes
Low of 48°F9°C, High of 65°F19°CWind: 4 mph6 km/h
Precipitation: None