No

Why? Because you should be inside at home! #StayHome

But if you absolutely had to go out to get groceries, medication or other essential travel, No, you don't need a jacket.

Based on the weather in Lisbon, Portugal as of June 2, 2020 11:36am local time.

Now

Mostly Cloudy
Temp: 71°F22°C
Wind: 8 MPH13 KPH
Precipitation: None

Today

Next 2 hours: No

Next 4 hours: No

Next 8 hours: No

Tomorrow

No

Clear throughout the day.
Low of 61°F16°C, High of 76°F25°C
Wind: 6 MPH9 KPH
Precipitation: 4% rain