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 Reading, PA, USA as of May 25, 2020 9:52am local time.

Now

Mostly Cloudy
Temp: 62°F17°C
Wind: 3 MPH4 KPH
Precipitation: None

Today

Next 2 hours: No

Next 4 hours: No

Next 8 hours: No

Tomorrow

Yes

Mostly cloudy throughout the day.
Low of 58°F15°C, High of 82°F28°C
Wind: 3 MPH5 KPH
Precipitation: 5% rain