Yes

you do need a jacket based on the weather in Weehawken, NJ 07086, USA 2 minutes ago

Why? Because it's cool. Pleasantly cool, but cool!
58°F15°C & Clear

Wind is 4 mph6 km/h from the North, gusting to 9 mph14 km/h
September 11
7am58°F15°C4 mph6 km/h NorthClear
8am61°F16°C5 mph8 km/h NorthClear
9am64°F18°C6 mph9 km/h NorthClear
10am68°F20°C6 mph10 km/h NorthClear
11am72°F22°C7 mph11 km/h NorthMostly Clear
12pm75°F24°C7 mph11 km/h NorthMostly Clear
1pm77°F25°C7 mph11 km/h NorthMostly Clear
2pm79°F26°C6 mph10 km/h NorthMostly Clear
3pm79°F26°C7 mph11 km/h NorthMostly Clear
4pm80°F26°C7 mph12 km/h NorthPartly Cloudy
5pm79°F26°C7 mph12 km/h NorthMostly Clear
6pm77°F25°C7 mph11 km/h NorthMostly Clear
DateLowHighWindDayNight
September 1158°F15°C80°F26°C6 mph10 km/h from NorthMostly ClearMostly Clear
September 1261°F16°C76°F25°C5 mph9 km/h from NortheastPartly CloudyPartly Cloudy
September 1361°F16°C77°F25°C6 mph10 km/h from SouthPartly CloudyPartly Cloudy
September 1462°F16°C80°F27°C3 mph5 km/h from NorthPartly CloudyMostly Clear
September 1563°F17°C81°F27°C5 mph8 km/h from SoutheastMostly ClearMostly Clear
September 1663°F17°C79°F26°C5 mph7 km/h from SoutheastPartly CloudyPartly Cloudy
September 1763°F17°C77°F25°C5 mph8 km/h from SoutheastPartly CloudyPartly Cloudy

No

Low of 62°F17°C, High of 76°F25°C
Wind: 5 mph9 km/h
Precipitation: None

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