No
you don't need a jacket based on the weather in Philadelphia, PA, USA 11 minutes ago
68°F20°C & Clear
Wind is 6 mph10 km/h from the Northeast, gusting to 11 mph18 km/h
| September 8 | ||||
| 12pm | 70°F21°C | 7 mph11 km/h North | Clear | |
| 1pm | 72°F22°C | 7 mph11 km/h North | Clear | |
| 2pm | 73°F23°C | 7 mph11 km/h Northeast | Clear | |
| 3pm | 74°F23°C | 6 mph10 km/h Northeast | Clear | |
| 4pm | 74°F23°C | 6 mph10 km/h Northeast | Clear | |
| 5pm | 73°F23°C | 6 mph9 km/h Northeast | Clear | |
| 6pm | 71°F22°C | 5 mph9 km/h Northeast | Clear | |
| 7pm | 69°F21°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 8pm | 66°F19°C | 4 mph6 km/h East | Mostly Clear | |
| 9pm | 64°F18°C | 3 mph5 km/h East | Clear | |
| 10pm | 63°F17°C | 3 mph5 km/h East | Clear | |
| 11pm | 61°F16°C | 3 mph4 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 8 | 55°F13°C | 74°F23°C | 6 mph10 km/h from Northeast | Clear | Clear |
| September 9 | 55°F13°C | 76°F24°C | 8 mph13 km/h from Northeast | Mostly Clear | Partly Cloudy |
| September 10 | 59°F15°C | 73°F23°C | 6 mph10 km/h from North | Mostly Cloudy | Partly Cloudy |
| September 11 | 59°F15°C | 80°F27°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
| September 12 | 60°F16°C | 78°F26°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Clear |
| September 13 | 60°F15°C | 77°F25°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Clear |
| September 14 | 58°F15°C | 78°F25°C | 5 mph8 km/h from East | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 76°F25°CWind: 8 mph13 km/h
Precipitation: None