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 Salt Lake City, UT 84107, USA as of May 25, 2020 7:58am local time.

Now

Clear
Temp: 52°F11°C
Wind: 2 MPH3 KPH
Precipitation: None

Today

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes

Tomorrow

Yes

Clear throughout the day.
Low of 53°F12°C, High of 83°F29°C
Wind: 5 MPH8 KPH
Precipitation: 5% rain