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 pretty chilly.

Based on the weather in Leeds, UK as of May 27, 2020 4:20am local time.

Now

Clear
Temp: 50°F10°C
Wind: 4 MPH7 KPH
Precipitation: None

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Partly cloudy throughout the day.
Low of 50°F10°C, High of 77°F25°C
Wind: 6 MPH9 KPH
Precipitation: 6% rain