Yes

you do need a jacket based on the weather in Newark, NJ 07107, USA 1 second ago

Why? Because it's cold. simple as that.
48°F9°C & Cloudy

Wind is 10 mph16 km/h from the NE, gusting to 21 mph34 km/h
April 18
2pm48°F9°C10 mph17 km/h NECloudy
3pm48°F9°C10 mph16 km/h NECloudy
4pm49°F9°C10 mph15 km/h NECloudy
5pm50°F10°C10 mph16 km/h NEMostly Cloudy
6pm50°F10°C9 mph15 km/h NECloudy
7pm50°F10°C8 mph14 km/h NECloudy
8pm49°F9°C8 mph13 km/h NECloudy
9pm48°F9°C7 mph12 km/h NEMostly Cloudy
10pm47°F8°C7 mph11 km/h NEMostly Cloudy
11pm46°F8°C6 mph10 km/h NEMostly Cloudy
April 19
12am46°F8°C6 mph9 km/h NEMostly Cloudy
1am45°F7°C5 mph8 km/h NEPartly Cloudy
DateLowHighWindDayNight
April 1845°F7°C50°F10°C8 mph13 km/h from NEDrizzleMostly Cloudy
April 1943°F6°C58°F15°C8 mph14 km/h from SEMostly CloudyCloudy
April 2047°F9°C65°F18°C8 mph13 km/h from WPartly CloudyMostly Clear
April 2140°F5°C59°F15°C7 mph11 km/h from WMostly CloudyMostly Cloudy
April 2242°F6°C64°F18°C5 mph9 km/h from NMostly ClearClear
April 2343°F6°C68°F20°C8 mph12 km/h from SPartly CloudyCloudy
April 2446°F8°C62°F17°C7 mph12 km/h from WDrizzlePartly Cloudy

Yes

Low of 43°F6°C, High of 58°F15°C
Wind: 8 mph14 km/h
Precipitation: None

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