Yes
you do need a jacket based on the weather in Helsinki, Finland 29 minutes ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
44°F7°C & Clear
Wind is 6 mph9 km/h from the North, gusting to 11 mph18 km/h
| May 12 | ||||
| 2am | 49°F10°C | 5 mph8 km/h North | Clear | |
| 3am | 52°F11°C | 5 mph8 km/h North | Clear | |
| 4am | 54°F12°C | 5 mph8 km/h North | Clear | |
| 5am | 56°F13°C | 4 mph6 km/h North | Clear | |
| 6am | 57°F14°C | 3 mph5 km/h North | Clear | |
| 7am | 58°F14°C | 3 mph5 km/h Northwest | Clear | |
| 8am | 59°F15°C | 3 mph5 km/h West | Clear | |
| 9am | 59°F15°C | 3 mph5 km/h Southwest | Clear | |
| 10am | 59°F15°C | 3 mph4 km/h West | Clear | |
| 11am | 59°F15°C | 2 mph4 km/h Northwest | Clear | |
| 12pm | 58°F14°C | 2 mph4 km/h North | Clear | |
| 1pm | 57°F14°C | 3 mph5 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 11 | 40°F5°C | 59°F15°C | 4 mph6 km/h from North | Clear | Mostly Cloudy |
| May 12 | 42°F6°C | 57°F14°C | 6 mph9 km/h from South | Mostly Cloudy | Mostly Cloudy |
| May 13 | 43°F6°C | 55°F13°C | 12 mph20 km/h from Northwest | Mostly Cloudy | Drizzle |
| May 14 | 42°F6°C | 58°F14°C | 10 mph17 km/h from North | Drizzle | Partly Cloudy |
| May 15 | 45°F7°C | 59°F15°C | 6 mph10 km/h from East | Partly Cloudy | Partly Cloudy |
| May 16 | 47°F8°C | 59°F15°C | 8 mph13 km/h from East | Partly Cloudy | Partly Cloudy |
| May 17 | 45°F7°C | 58°F14°C | 7 mph12 km/h from Northeast | Drizzle | Drizzle |
Yes
Low of 43°F6°C, High of 57°F14°CWind: 6 mph9 km/h
Precipitation: 5% rain