Yes

you do need a jacket based on the weather in (Jamaica), New York, United States 1 second ago

Why? Because the temperature has dropped below freezing!
30°F-1°C & Cloudy

Wind is 4 mph7 km/h from the West, gusting to 7 mph12 km/h
January 27
12am30°F-1°C4 mph7 km/h WestCloudy
1am30°F-1°C4 mph6 km/h SouthwestMostly Cloudy
2am29°F-1°C5 mph8 km/h SouthwestMostly Cloudy
3am29°F-2°C6 mph9 km/h SouthwestCloudy
4am29°F-2°C6 mph10 km/h SouthwestMostly Cloudy
5am29°F-2°C7 mph11 km/h WestMostly Cloudy
6am28°F-2°C8 mph12 km/h WestPartly Cloudy
7am27°F-3°C8 mph13 km/h WestClear
8am28°F-3°C8 mph13 km/h WestClear
9am29°F-2°C8 mph14 km/h WestClear
10am31°F-1°C9 mph15 km/h WestClear
11am33°F0°C10 mph15 km/h WestClear
DateLowHighWindDayNight
January 2629°F-1°C42°F6°C6 mph10 km/h from WestPartly CloudyPartly Cloudy
January 2727°F-3°C38°F3°C10 mph17 km/h from SouthwestClearPartly Cloudy
January 2825°F-4°C37°F3°C13 mph21 km/h from WestPartly CloudyMostly Cloudy
January 2925°F-4°C43°F6°C13 mph20 km/h from WestMostly CloudyPartly Cloudy
January 3024°F-4°C37°F3°C10 mph17 km/h from NorthwestMostly ClearMostly Cloudy
January 3132°F0°C44°F7°C7 mph11 km/h from SouthwestRainRain
February 129°F-2°C40°F4°C11 mph17 km/h from NorthSnowSnow

Yes

Low of 28°F-3°C, High of 38°F4°C
Wind: 10 mph17 km/h
Precipitation: None

Support This Page