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, Yes, you do need a jacket.

Why? Because it's cold. simple as that.

Based on the weather in Smolyan, Bulgaria as of June 1, 2020 10:08pm local time.

Now

Mostly Cloudy
Temp: 47°F9°C
Wind: 2 MPH3 KPH
Precipitation: 15% rain

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Rain starting in the afternoon.
Low of 41°F5°C, High of 57°F14°C
Wind: 3 MPH4 KPH
Precipitation: 96% rain