No
you don't need a jacket based on the weather in Porto, Portugal 1 second ago
72°F22°C & Clear
Wind is 4 mph7 km/h from the Northwest, gusting to 12 mph19 km/h
| September 17 | ||||
| 2pm | 70°F21°C | 4 mph6 km/h Northwest | Clear | |
| 3pm | 67°F19°C | 4 mph6 km/h Northwest | Clear | |
| 4pm | 64°F18°C | 3 mph5 km/h North | Clear | |
| 5pm | 62°F17°C | 2 mph3 km/h North | Clear | |
| 6pm | 62°F16°C | 1 mph2 km/h Northeast | Clear | |
| 7pm | 62°F16°C | 2 mph3 km/h East | Clear | |
| 8pm | 61°F16°C | 2 mph3 km/h East | Clear | |
| 9pm | 60°F16°C | 2 mph4 km/h East | Clear | |
| 10pm | 60°F15°C | 2 mph4 km/h East | Clear | |
| 11pm | 59°F15°C | 3 mph4 km/h East | Mostly Clear | |
| September 18 | ||||
| 12am | 58°F14°C | 3 mph5 km/h East | Mostly Clear | |
| 1am | 57°F14°C | 3 mph4 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 53°F12°C | 75°F24°C | 4 mph7 km/h from Northwest | Clear | Clear |
| September 17 | 57°F14°C | 77°F25°C | 3 mph5 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 18 | 60°F16°C | 78°F25°C | 4 mph6 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 19 | 58°F14°C | 69°F21°C | 6 mph9 km/h from Northwest | Drizzle | Mostly Clear |
| September 20 | 53°F12°C | 66°F19°C | 10 mph16 km/h from Northwest | Clear | Clear |
| September 21 | 50°F10°C | 65°F18°C | 11 mph17 km/h from North | Mostly Clear | Clear |
| September 22 | 47°F9°C | 67°F19°C | 8 mph13 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 57°F14°C, High of 77°F25°CWind: 3 mph5 km/h
Precipitation: None