Yes
you do need a jacket based on the weather in Mariehamn, Åland Islands 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet and the wind is offering free, unsolicited face massages!
33°F0°C & Windy
Wind is 16 mph25 km/h from the Northwest, gusting to 24 mph39 km/h
| March 14 | ||||
| 9am | 33°F0°C | 16 mph25 km/h Northwest | Windy | |
| 10am | 32°F0°C | 15 mph25 km/h Northwest | Windy | |
| 11am | 32°F0°C | 15 mph24 km/h Northwest | Partly Cloudy | |
| 12pm | 32°F-0°C | 13 mph21 km/h Northwest | Mostly Clear | |
| 1pm | 31°F-1°C | 10 mph17 km/h Northwest | Mostly Clear | |
| 2pm | 31°F-1°C | 8 mph13 km/h Northwest | Clear | |
| 3pm | 31°F-1°C | 7 mph11 km/h Northwest | Clear | |
| 4pm | 31°F-1°C | 7 mph12 km/h West | Clear | |
| 5pm | 31°F-0°C | 9 mph14 km/h West | Clear | |
| 6pm | 32°F-0°C | 10 mph16 km/h West | Clear | |
| 7pm | 32°F-0°C | 11 mph18 km/h West | Clear | |
| 8pm | 32°F-0°C | 12 mph19 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 13 | 27°F-3°C | 33°F1°C | 13 mph21 km/h from Northwest | Partly Cloudy | Clear |
| March 14 | 31°F-0°C | 40°F4°C | 18 mph29 km/h from Southwest | Windy | Windy |
| March 15 | 29°F-1°C | 36°F2°C | 21 mph34 km/h from Northwest | Windy | Windy |
| March 16 | 29°F-2°C | 37°F3°C | 15 mph25 km/h from Northwest | Windy | Windy |
| March 17 | 35°F2°C | 44°F7°C | 18 mph30 km/h from West | Windy | Partly Cloudy |
| March 18 | 35°F2°C | 41°F5°C | 11 mph18 km/h from West | Mostly Clear | Mostly Clear |
| March 19 | 32°F0°C | 41°F5°C | 10 mph16 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 31°F-1°C, High of 39°F4°CWind: 18 mph29 km/h
Precipitation: None