No

you don't need a jacket based on the weather in Philadelphia, PA, USA 1 second ago

80°F27°C & Cloudy

Wind is 8 mph13 km/h from the SW, gusting to 17 mph27 km/h
April 28
6pm80°F27°C8 mph13 km/h SWMostly Cloudy
7pm78°F26°C7 mph12 km/h SWPartly Cloudy
8pm75°F24°C6 mph10 km/h SWMostly Cloudy
9pm72°F22°C6 mph10 km/h SWPartly Cloudy
10pm70°F21°C6 mph10 km/h SWMostly Cloudy
11pm69°F21°C6 mph10 km/h SWMostly Cloudy
April 29
12am68°F20°C6 mph9 km/h SWPartly Cloudy
1am66°F19°C5 mph7 km/h WPartly Cloudy
2am65°F18°C4 mph6 km/h WMostly Clear
3am64°F18°C4 mph6 km/h WMostly Clear
4am63°F17°C3 mph5 km/h WMostly Clear
5am62°F17°C4 mph6 km/h WClear
DateLowHighWindDayNight
April 2849°F10°C81°F27°C4 mph6 km/h from SWPartly CloudyPartly Cloudy
April 2961°F16°C87°F31°C4 mph7 km/h from WMostly ClearMostly Clear
April 3062°F17°C85°F30°C6 mph10 km/h from SPartly CloudyDrizzle
May 159°F15°C73°F23°C5 mph8 km/h from NERainPartly Cloudy
May 252°F11°C80°F27°C3 mph6 km/h from SPartly CloudyMostly Clear
May 355°F13°C82°F28°C5 mph8 km/h from SPartly CloudyMostly Cloudy
May 453°F12°C73°F23°C9 mph15 km/h from SEMostly CloudyRain

No

Low of 61°F16°C, High of 87°F31°C
Wind: 4 mph7 km/h
Precipitation: 4% rain

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