No
you don't need a jacket based on the weather in Porto, Portugal 1 second ago
60°F16°C & Mostly Clear
Wind is 2 mph4 km/h from the Northwest, gusting to 9 mph14 km/h
| August 31 | ||||
| 7pm | 60°F16°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 8pm | 60°F15°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| 9pm | 59°F15°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 10pm | 59°F15°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| 11pm | 59°F15°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| September 1 | ||||
| 12am | 59°F15°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 1am | 58°F14°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 2am | 58°F15°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 3am | 59°F15°C | 2 mph2 km/h West | Mostly Clear | |
| 4am | 61°F16°C | 1 mph2 km/h West | Partly Cloudy | |
| 5am | 63°F17°C | 2 mph4 km/h West | Mostly Clear | |
| 6am | 66°F19°C | 4 mph6 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 30 | 60°F16°C | 71°F22°C | 8 mph12 km/h from West | Partly Cloudy | Partly Cloudy |
| August 31 | 58°F14°C | 70°F21°C | 5 mph9 km/h from West | Partly Cloudy | Mostly Cloudy |
| September 1 | 60°F15°C | 72°F22°C | 8 mph13 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 2 | 62°F17°C | 73°F23°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 3 | 60°F15°C | 72°F22°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 4 | 56°F13°C | 77°F25°C | 6 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 5 | 59°F15°C | 72°F22°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 70°F21°CWind: 5 mph9 km/h
Precipitation: 16% rain