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 Amman, Jordan as of May 27, 2020 5:21am local time.

Now

Clear
Temp: 59°F15°C
Wind: 2 MPH3 KPH
Precipitation: None

Today

Next 2 hours: No

Next 4 hours: No

Next 8 hours: No

Tomorrow

Yes

Clear throughout the day.
Low of 54°F12°C, High of 77°F25°C
Wind: 9 MPH15 KPH
Precipitation: 1% rain