Yes
you do need a jacket based on the weather in Pori, Finland 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
55°F13°C & Partly Cloudy
Wind is 3 mph5 km/h from the South, gusting to 6 mph10 km/h
| August 11 | ||||
| 5pm | 55°F13°C | 4 mph6 km/h South | Partly Cloudy | |
| 6pm | 54°F12°C | 4 mph7 km/h South | Partly Cloudy | |
| 7pm | 53°F12°C | 4 mph7 km/h South | Mostly Cloudy | |
| 8pm | 53°F12°C | 4 mph7 km/h South | Mostly Cloudy | |
| 9pm | 53°F11°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 10pm | 53°F12°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 11pm | 53°F12°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| August 12 | ||||
| 12am | 55°F13°C | 4 mph7 km/h South | Partly Cloudy | |
| 1am | 57°F14°C | 5 mph7 km/h South | Partly Cloudy | |
| 2am | 60°F16°C | 5 mph8 km/h South | Partly Cloudy | |
| 3am | 63°F17°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 4am | 64°F18°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 10 | 55°F13°C | 66°F19°C | 10 mph15 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| August 11 | 53°F11°C | 67°F19°C | 7 mph12 km/h from West | Partly Cloudy | Clear |
| August 12 | 54°F12°C | 70°F21°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| August 13 | 55°F13°C | 74°F24°C | 8 mph13 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 14 | 59°F15°C | 72°F22°C | 9 mph15 km/h from South | Rain | Drizzle |
| August 15 | 53°F12°C | 64°F18°C | 11 mph18 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| August 16 | 52°F11°C | 63°F17°C | 9 mph15 km/h from Northwest | Drizzle | Drizzle |
Yes
Low of 53°F12°C, High of 67°F20°CWind: 7 mph12 km/h
Precipitation: 23% rain