No

you don't need a jacket based on the weather in Philadelphia, PA 19145, USA 1 second ago

91°F33°C & Mostly Clear

Wind is 6 mph9 km/h from the Southwest, gusting to 11 mph17 km/h
July 9
5pm91°F33°C6 mph10 km/h SouthwestMostly Clear
6pm90°F32°C7 mph11 km/h SouthwestMostly Clear
7pm88°F31°C6 mph10 km/h SouthwestCloudy
8pm85°F30°C6 mph9 km/h SouthwestCloudy
9pm82°F28°C7 mph11 km/h SouthwestCloudy
10pm81°F27°C6 mph9 km/h SouthwestThunderstorms
11pm78°F26°C5 mph9 km/h WestThunderstorms
July 10
12am76°F24°C5 mph8 km/h NorthwestThunderstorms
1am74°F23°C4 mph6 km/h SoutheastRain
2am73°F23°C4 mph6 km/h SoutheastRain
3am73°F23°C4 mph6 km/h SouthRain
4am72°F22°C3 mph4 km/h SouthRain
DateLowHighWindDayNight
July 974°F23°C92°F33°C4 mph6 km/h from SouthwestMostly ClearThunderstorms
July 1072°F22°C83°F28°C3 mph5 km/h from SouthwestRainCloudy
July 1173°F23°C88°F31°C4 mph6 km/h from EastPartly CloudyPartly Cloudy
July 1272°F22°C89°F32°C4 mph7 km/h from EastDrizzleMostly Clear
July 1371°F22°C89°F31°C5 mph8 km/h from SoutheastMostly ClearPartly Cloudy
July 1471°F22°C87°F31°C5 mph9 km/h from SouthDrizzleDrizzle
July 1573°F23°C87°F30°C3 mph5 km/h from EastDrizzleThunderstorms

No

Low of 73°F23°C, High of 82°F28°C
Wind: 3 mph5 km/h
Precipitation: 65% rain

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