No
you don't need a jacket based on the weather in Porto, Portugal 28 minutes ago
69°F20°C & Cloudy
Wind is 2 mph3 km/h from the Northwest, gusting to 5 mph8 km/h
| September 18 | ||||
| 4pm | 67°F20°C | 2 mph3 km/h East | Cloudy | |
| 5pm | 67°F20°C | 3 mph5 km/h East | Cloudy | |
| 6pm | 67°F20°C | 3 mph5 km/h Northeast | Mostly Cloudy | |
| 7pm | 66°F19°C | 3 mph5 km/h East | Partly Cloudy | |
| 8pm | 66°F19°C | 2 mph4 km/h East | Partly Cloudy | |
| 9pm | 65°F18°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 10pm | 63°F17°C | 3 mph4 km/h Southeast | Mostly Cloudy | |
| 11pm | 62°F17°C | 3 mph5 km/h East | Partly Cloudy | |
| September 19 | ||||
| 12am | 61°F16°C | 3 mph4 km/h East | Partly Cloudy | |
| 1am | 60°F15°C | 2 mph4 km/h East | Partly Cloudy | |
| 2am | 60°F15°C | 3 mph5 km/h East | Mostly Clear | |
| 3am | 61°F16°C | 3 mph6 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 55°F13°C | 74°F23°C | 4 mph6 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 18 | 60°F15°C | 77°F25°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 19 | 58°F14°C | 68°F20°C | 7 mph11 km/h from Northwest | Mostly Cloudy | Clear |
| September 20 | 53°F12°C | 67°F20°C | 10 mph17 km/h from Northwest | Clear | Clear |
| September 21 | 49°F10°C | 69°F21°C | 10 mph15 km/h from North | Clear | Clear |
| September 22 | 47°F9°C | 71°F22°C | 6 mph10 km/h from North | Clear | Partly Cloudy |
| September 23 | 54°F12°C | 73°F23°C | 7 mph11 km/h from Northeast | Partly Cloudy | Mostly Clear |
No
Low of 60°F16°C, High of 77°F25°CWind: 4 mph6 km/h
Precipitation: None