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 El Monte, CA, USA as of May 26, 2020 8:45pm local time.

Now

Clear
Temp: 72°F22°C
Wind: 3 MPH4 KPH
Precipitation: None

Today

Next 2 hours: No

Next 4 hours: No

Next 8 hours: No

Tomorrow

No

Clear throughout the day.
Low of 59°F15°C, High of 87°F31°C
Wind: 5 MPH8 KPH
Precipitation: 1% rain