No

you don't need a jacket based on the weather in Philadelphia, PA, USA 3 minutes ago

67°F20°C & Cloudy

Wind is 10 mph16 km/h from the South, gusting to 18 mph29 km/h
April 21
1pm68°F20°C11 mph17 km/h SouthCloudy
2pm68°F20°C11 mph18 km/h SouthCloudy
3pm67°F19°C11 mph18 km/h SoutheastCloudy
4pm67°F19°C11 mph18 km/h SoutheastCloudy
5pm67°F19°C11 mph18 km/h SoutheastCloudy
6pm66°F19°C10 mph16 km/h SoutheastCloudy
7pm64°F18°C9 mph15 km/h SoutheastCloudy
8pm62°F17°C9 mph14 km/h SoutheastMostly Cloudy
9pm61°F16°C8 mph13 km/h SoutheastCloudy
10pm61°F16°C8 mph12 km/h SouthCloudy
11pm60°F16°C7 mph11 km/h SouthCloudy
April 22
12am60°F16°C7 mph11 km/h SouthCloudy
DateLowHighWindDayNight
April 2152°F11°C68°F20°C8 mph14 km/h from SoutheastCloudyDrizzle
April 2258°F15°C76°F25°C9 mph14 km/h from WestMostly CloudyMostly Cloudy
April 2354°F12°C75°F24°C5 mph7 km/h from NorthwestPartly CloudyClear
April 2454°F12°C78°F25°C6 mph9 km/h from SoutheastMostly ClearMostly Clear
April 2552°F11°C77°F25°C7 mph11 km/h from SouthPartly CloudyDrizzle
April 2657°F14°C74°F23°C11 mph17 km/h from WestRainRain
April 2751°F10°C68°F20°C7 mph12 km/h from NorthClearMostly Clear

Yes

Low of 58°F15°C, High of 76°F25°C
Wind: 9 mph14 km/h
Precipitation: None

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