Yes

you do need a jacket based on the weather in Tavistock Ln, Haddonfield, NJ 08033, USA 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F14°C & Mostly Clear

Wind is 2 mph4 km/h from the Northeast, gusting to 8 mph13 km/h
September 22
1am56°F13°C3 mph5 km/h NortheastPartly Cloudy
2am55°F13°C3 mph5 km/h NortheastMostly Clear
3am54°F12°C3 mph5 km/h NortheastMostly Clear
4am54°F12°C2 mph4 km/h NorthClear
5am53°F12°C3 mph4 km/h NortheastMostly Clear
6am53°F12°C3 mph5 km/h NortheastMostly Clear
7am54°F12°C3 mph5 km/h NortheastPartly Cloudy
8am56°F14°C3 mph5 km/h NortheastPartly Cloudy
9am61°F16°C3 mph4 km/h EastPartly Cloudy
10am66°F19°C2 mph4 km/h EastMostly Clear
11am70°F21°C2 mph3 km/h SoutheastMostly Clear
12pm73°F23°C2 mph4 km/h SouthMostly Clear
DateLowHighWindDayNight
September 2253°F12°C80°F26°C4 mph6 km/h from SouthMostly ClearMostly Clear
September 2363°F17°C84°F29°C7 mph12 km/h from SouthwestPartly CloudyMostly Cloudy
September 2466°F19°C82°F28°C4 mph7 km/h from WestMostly CloudyRain
September 2569°F21°C81°F27°C8 mph14 km/h from SouthDrizzleDrizzle
September 2669°F21°C76°F24°C5 mph8 km/h from SouthwestDrizzleRain
September 2766°F19°C77°F25°C6 mph10 km/h from NorthwestMostly CloudyPartly Cloudy
September 2864°F18°C77°F25°C6 mph10 km/h from NortheastPartly CloudyPartly Cloudy

No

Low of 63°F17°C, High of 83°F29°C
Wind: 7 mph12 km/h
Precipitation: 15% rain

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