Yes

you do need a jacket based on the weather in Brooklyn, NY 11201, USA 1 second ago

Why? Because it's not very warm out.
55°F13°C & Mostly Cloudy

Wind is 9 mph15 km/h from the SE, gusting to 16 mph26 km/h
April 19
12pm55°F13°C10 mph16 km/h SEMostly Cloudy
1pm56°F13°C11 mph18 km/h SEMostly Cloudy
2pm56°F13°C11 mph18 km/h SECloudy
3pm55°F13°C10 mph17 km/h SEMostly Cloudy
4pm54°F12°C10 mph16 km/h SEMostly Cloudy
5pm53°F12°C10 mph16 km/h SEMostly Cloudy
6pm52°F11°C10 mph16 km/h SECloudy
7pm51°F10°C9 mph14 km/h SECloudy
8pm50°F10°C7 mph12 km/h SECloudy
9pm50°F10°C7 mph11 km/h SECloudy
10pm49°F10°C6 mph10 km/h SECloudy
11pm49°F9°C6 mph9 km/h SECloudy
DateLowHighWindDayNight
April 1944°F7°C56°F13°C9 mph14 km/h from SEMostly CloudyRain
April 2049°F9°C67°F19°C8 mph12 km/h from WDrizzleMostly Clear
April 2141°F5°C57°F14°C9 mph14 km/h from WMostly CloudyPartly Cloudy
April 2243°F6°C62°F17°C8 mph13 km/h from NWClearClear
April 2343°F6°C60°F16°C11 mph18 km/h from SMostly ClearMostly Cloudy
April 2442°F6°C62°F17°C13 mph20 km/h from NWDrizzleMostly Clear
April 2537°F3°C56°F13°C10 mph16 km/h from WMostly ClearMostly Clear

Yes

Low of 49°F10°C, High of 66°F19°C
Wind: 8 mph12 km/h
Precipitation: 61% rain

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