Yes

you do need a jacket based on the weather in Somerville, NJ 08876, USA 1 second ago

Why? Because it's bitterly cold.
44°F7°C & Mostly Clear

Wind is 2 mph4 km/h from the SE, gusting to 10 mph16 km/h
April 25
11pm44°F6°C3 mph4 km/h SEClear
April 26
12am41°F5°C2 mph3 km/h SEClear
1am39°F4°C2 mph3 km/h NEClear
2am37°F3°C2 mph3 km/h NEClear
3am36°F2°C2 mph4 km/h NClear
4am35°F2°C2 mph4 km/h NClear
5am34°F1°C3 mph5 km/h NClear
6am34°F1°C3 mph4 km/h NClear
7am36°F2°C3 mph4 km/h NEClear
8am42°F5°C2 mph3 km/h NEClear
9am47°F8°C3 mph5 km/h EClear
10am51°F11°C4 mph6 km/h EClear
DateLowHighWindDayNight
April 2541°F5°C60°F15°C3 mph4 km/h from EPartly CloudyMostly Clear
April 2633°F1°C64°F18°C4 mph7 km/h from SEMostly ClearMostly Clear
April 2735°F1°C65°F18°C7 mph11 km/h from SMostly CloudyDrizzle
April 2845°F7°C77°F25°C5 mph9 km/h from SWPartly CloudyPartly Cloudy
April 2957°F14°C85°F30°C4 mph7 km/h from NMostly CloudyPartly Cloudy
April 3054°F12°C75°F24°C8 mph12 km/h from SEDrizzleRain
May 154°F12°C77°F25°C5 mph8 km/h from SPartly CloudyPartly Cloudy

Yes

Low of 34°F1°C, High of 64°F18°C
Wind: 4 mph7 km/h
Precipitation: None

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