Yes

you do need a jacket based on the weather in Newport, RI, USA 1 second ago

Why? Because it's pretty chilly.
59°F15°C & Clear

Wind is 9 mph14 km/h from the SE, gusting to 15 mph24 km/h
April 29
6pm57°F14°C8 mph13 km/h SEPartly Cloudy
7pm55°F13°C6 mph10 km/h SEPartly Cloudy
8pm52°F11°C5 mph9 km/h SPartly Cloudy
9pm51°F11°C5 mph9 km/h SMostly Cloudy
10pm51°F10°C4 mph7 km/h SMostly Cloudy
11pm50°F10°C4 mph6 km/h SMostly Cloudy
April 30
12am50°F10°C3 mph5 km/h SCloudy
1am50°F10°C3 mph5 km/h SCloudy
2am49°F10°C2 mph4 km/h SCloudy
3am49°F9°C3 mph4 km/h SEDrizzle
4am48°F9°C3 mph4 km/h SEDrizzle
5am49°F9°C2 mph4 km/h ECloudy
DateLowHighWindDayNight
April 2950°F10°C72°F22°C6 mph10 km/h from SEPartly CloudyDrizzle
April 3048°F9°C58°F14°C9 mph14 km/h from ECloudyDrizzle
May 146°F8°C62°F16°C8 mph12 km/h from NEDrizzlePartly Cloudy
May 245°F7°C58°F14°C9 mph14 km/h from SMostly CloudyMostly Cloudy
May 345°F7°C59°F15°C9 mph15 km/h from NEMostly CloudyPartly Cloudy
May 443°F6°C58°F15°C8 mph13 km/h from EMostly CloudyPartly Cloudy
May 543°F6°C57°F14°C9 mph14 km/h from SCloudyDrizzle

Yes

Low of 48°F9°C, High of 58°F15°C
Wind: 9 mph14 km/h
Precipitation: 22% rain

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