Yes
you do need a jacket based on the weather in Porto, Portugal 1 second ago
Why? Because it's pretty chilly.
50°F10°C & Clear
Wind is 3 mph5 km/h from the N, gusting to 9 mph14 km/h
| May 6 | ||||
| 3am | 52°F11°C | 3 mph5 km/h NE | Clear | |
| 4am | 55°F13°C | 4 mph6 km/h N | Clear | |
| 5am | 58°F14°C | 5 mph9 km/h N | Mostly Clear | |
| 6am | 60°F16°C | 7 mph11 km/h NW | Mostly Clear | |
| 7am | 62°F17°C | 8 mph12 km/h NW | Mostly Clear | |
| 8am | 63°F17°C | 9 mph14 km/h NW | Mostly Clear | |
| 9am | 63°F17°C | 10 mph15 km/h NW | Mostly Clear | |
| 10am | 64°F18°C | 10 mph17 km/h NW | Mostly Clear | |
| 11am | 63°F17°C | 11 mph18 km/h NW | Clear | |
| 12pm | 63°F17°C | 11 mph18 km/h NW | Clear | |
| 1pm | 62°F17°C | 11 mph18 km/h NW | Clear | |
| 2pm | 61°F16°C | 11 mph17 km/h NW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 5 | 49°F9°C | 64°F18°C | 8 mph13 km/h from NW | Mostly Clear | Mostly Clear |
| May 6 | 49°F9°C | 72°F22°C | 6 mph9 km/h from N | Mostly Clear | Mostly Cloudy |
| May 7 | 57°F14°C | 79°F26°C | 7 mph11 km/h from E | Partly Cloudy | Mostly Cloudy |
| May 8 | 59°F15°C | 76°F25°C | 4 mph7 km/h from NE | Cloudy | Mostly Clear |
| May 9 | 58°F15°C | 76°F25°C | 5 mph8 km/h from NW | Partly Cloudy | Mostly Cloudy |
| May 10 | 56°F14°C | 70°F21°C | 6 mph10 km/h from NW | Mostly Clear | Partly Cloudy |
| May 11 | 56°F13°C | 67°F19°C | 6 mph10 km/h from W | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 49°F10°C, High of 73°F23°CWind: 6 mph9 km/h
Precipitation: None