No
you don't need a jacket based on the weather in Pori, Finland 1 second ago
70°F21°C & Mostly Cloudy
Wind is 7 mph11 km/h from the South, gusting to 15 mph24 km/h
| September 7 | ||||
| 6am | 70°F21°C | 7 mph11 km/h South | Mostly Cloudy | |
| 7am | 71°F22°C | 7 mph12 km/h South | Partly Cloudy | |
| 8am | 72°F22°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 9am | 72°F22°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 10am | 70°F21°C | 7 mph10 km/h Southwest | Mostly Cloudy | |
| 11am | 68°F20°C | 6 mph10 km/h West | Partly Cloudy | |
| 12pm | 66°F19°C | 5 mph8 km/h West | Mostly Cloudy | |
| 1pm | 64°F18°C | 4 mph6 km/h West | Mostly Cloudy | |
| 2pm | 63°F17°C | 3 mph4 km/h Southwest | Mostly Cloudy | |
| 3pm | 62°F17°C | 2 mph3 km/h Southwest | Mostly Cloudy | |
| 4pm | 61°F16°C | 2 mph3 km/h Southwest | Mostly Cloudy | |
| 5pm | 61°F16°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 6 | 61°F16°C | 72°F22°C | 7 mph11 km/h from South | Thunderstorms | Mostly Cloudy |
| September 7 | 58°F14°C | 70°F21°C | 3 mph4 km/h from South | Cloudy | Cloudy |
| September 8 | 59°F15°C | 72°F22°C | 4 mph7 km/h from South | Drizzle | Partly Cloudy |
| September 9 | 55°F13°C | 71°F22°C | 7 mph12 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 10 | 57°F14°C | 72°F22°C | 13 mph22 km/h from Southeast | Partly Cloudy | Drizzle |
| September 11 | 59°F15°C | 66°F19°C | 12 mph19 km/h from Southeast | Drizzle | Rain |
| September 12 | 56°F13°C | 66°F19°C | 11 mph17 km/h from Southwest | Drizzle | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 70°F21°CWind: 3 mph4 km/h
Precipitation: None