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 Shanghai, China as of May 27, 2020 10:48am local time.

Now

Overcast
Temp: 77°F25°C
Wind: 3 MPH4 KPH
Precipitation: None

Today

Next 2 hours: No

Next 4 hours: No

Next 8 hours: No

Tomorrow

No

Partly cloudy throughout the day.
Low of 67°F20°C, High of 92°F34°C
Wind: 7 MPH11 KPH
Precipitation: 8% rain