Yes

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

Why? Because it's why-did-i-leave-my bed degrees out!
31°F-0°C & Cloudy

Wind is 10 mph16 km/h from the Northwest, gusting to 17 mph27 km/h
January 11
1pm32°F-0°C11 mph17 km/h NorthwestCloudy
2pm32°F0°C12 mph19 km/h NorthwestCloudy
3pm33°F0°C12 mph20 km/h NorthwestCloudy
4pm33°F0°C12 mph19 km/h NorthwestCloudy
5pm32°F0°C12 mph19 km/h NorthwestMostly Cloudy
6pm32°F-0°C13 mph21 km/h NorthwestMostly Cloudy
7pm31°F-1°C13 mph22 km/h NorthwestMostly Clear
8pm30°F-1°C14 mph23 km/h NorthwestClear
9pm30°F-1°C14 mph23 km/h NorthwestClear
10pm29°F-2°C14 mph22 km/h NorthwestClear
11pm29°F-2°C13 mph21 km/h NorthwestClear
January 12
12am29°F-2°C12 mph19 km/h NorthwestClear
DateLowHighWindDayNight
January 1127°F-3°C33°F0°C9 mph14 km/h from NorthwestMostly CloudyMostly Clear
January 1228°F-2°C40°F4°C7 mph12 km/h from WestClearMostly Clear
January 1327°F-3°C40°F5°C9 mph14 km/h from WestMostly ClearMostly Clear
January 1420°F-6°C31°F-1°C17 mph27 km/h from WestWindyWindy
January 1520°F-7°C32°F-0°C16 mph25 km/h from NorthwestWindyClear
January 1619°F-7°C30°F-1°C11 mph18 km/h from WestPartly CloudyMostly Clear
January 1723°F-5°C36°F2°C8 mph14 km/h from WestMostly ClearMostly Clear

Yes

Low of 28°F-3°C, High of 39°F4°C
Wind: 7 mph12 km/h
Precipitation: None

Support This Page