Yes

you do need a jacket based on the weather in Brooklyn, NY 11209, USA 6 seconds ago

Why? Because looks like it's raining!
81°F27°C & Rain

Wind is 9 mph14 km/h from the South, gusting to 16 mph26 km/h
June 30
7pm82°F28°C7 mph11 km/h SouthRain
8pm79°F26°C7 mph12 km/h SouthCloudy
9pm78°F26°C6 mph10 km/h SoutheastCloudy
10pm78°F25°C6 mph9 km/h SouthCloudy
11pm77°F25°C6 mph9 km/h SouthCloudy
July 1
12am77°F25°C6 mph9 km/h SouthMostly Cloudy
1am76°F25°C6 mph9 km/h SouthwestCloudy
2am76°F25°C6 mph9 km/h SouthwestCloudy
3am76°F24°C6 mph9 km/h SouthwestCloudy
4am76°F24°C7 mph11 km/h SouthwestCloudy
5am76°F24°C7 mph11 km/h SouthwestCloudy
6am76°F24°C7 mph11 km/h SouthwestCloudy
DateLowHighWindDayNight
June 3074°F23°C87°F31°C6 mph9 km/h from SouthRainThunderstorms
July 176°F24°C88°F31°C9 mph15 km/h from SouthwestRainRain
July 272°F22°C81°F27°C4 mph7 km/h from SouthwestRainMostly Clear
July 371°F22°C87°F31°C6 mph9 km/h from WestMostly ClearClear
July 470°F21°C83°F28°C7 mph11 km/h from NorthwestClearMostly Clear
July 568°F20°C84°F29°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy
July 671°F22°C88°F31°C7 mph12 km/h from SouthMostly CloudyPartly Cloudy

No

Low of 75°F24°C, High of 88°F31°C
Wind: 9 mph15 km/h
Precipitation: 45% rain

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