Yes
you do need a jacket based on the weather in Helsinki, Finland 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
45°F7°C & Cloudy
Wind is 6 mph10 km/h from the Northwest, gusting to 13 mph21 km/h
| September 26 | ||||
| 10pm | 45°F7°C | 7 mph11 km/h Northwest | Cloudy | |
| 11pm | 45°F7°C | 7 mph11 km/h North | Cloudy | |
| September 27 | ||||
| 12am | 45°F7°C | 7 mph11 km/h North | Cloudy | |
| 1am | 45°F7°C | 7 mph11 km/h North | Mostly Cloudy | |
| 2am | 47°F8°C | 7 mph11 km/h North | Mostly Cloudy | |
| 3am | 49°F9°C | 7 mph11 km/h North | Mostly Cloudy | |
| 4am | 52°F11°C | 6 mph10 km/h North | Mostly Cloudy | |
| 5am | 54°F12°C | 6 mph9 km/h North | Mostly Cloudy | |
| 6am | 57°F14°C | 5 mph9 km/h North | Mostly Cloudy | |
| 7am | 59°F15°C | 5 mph9 km/h North | Mostly Cloudy | |
| 8am | 60°F15°C | 5 mph9 km/h North | Mostly Cloudy | |
| 9am | 60°F16°C | 5 mph9 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 26 | 45°F7°C | 60°F16°C | 6 mph10 km/h from North | Mostly Cloudy | Partly Cloudy |
| September 27 | 46°F8°C | 57°F14°C | 9 mph14 km/h from East | Mostly Clear | Partly Cloudy |
| September 28 | 44°F7°C | 52°F11°C | 8 mph12 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 29 | 41°F5°C | 52°F11°C | 5 mph9 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 30 | 40°F4°C | 51°F10°C | 3 mph4 km/h from East | Mostly Cloudy | Partly Cloudy |
| October 1 | 39°F4°C | 51°F11°C | 5 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
| October 2 | 44°F7°C | 54°F12°C | 12 mph19 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 46°F8°C, High of 57°F14°CWind: 9 mph14 km/h
Precipitation: None