Yes
you do need a jacket based on the weather in Philadelphia, PA, USA 29 minutes ago
Why? Because it's pretty chilly.
57°F14°C & Clear
Wind is 9 mph14 km/h from the NW, gusting to 19 mph31 km/h
| September 8 | ||||
| 3am | 56°F13°C | 8 mph13 km/h NW | Clear | |
| 4am | 55°F13°C | 7 mph12 km/h NW | Clear | |
| 5am | 54°F12°C | 6 mph10 km/h NW | Clear | |
| 6am | 53°F12°C | 6 mph9 km/h NW | Clear | |
| 7am | 53°F11°C | 6 mph9 km/h NW | Clear | |
| 8am | 55°F13°C | 7 mph11 km/h NW | Clear | |
| 9am | 57°F14°C | 8 mph14 km/h NW | Clear | |
| 10am | 60°F16°C | 9 mph15 km/h NW | Clear | |
| 11am | 63°F17°C | 9 mph14 km/h NW | Clear | |
| 12pm | 66°F19°C | 9 mph14 km/h NW | Clear | |
| 1pm | 68°F20°C | 9 mph14 km/h NW | Clear | |
| 2pm | 70°F21°C | 9 mph15 km/h W | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 8 | 53°F11°C | 72°F22°C | 9 mph14 km/h from NW | Clear | Clear |
| September 9 | 52°F11°C | 77°F25°C | 7 mph11 km/h from W | Mostly Clear | Clear |
| September 10 | 58°F14°C | 82°F28°C | 5 mph9 km/h from NW | Clear | Mostly Clear |
| September 11 | 59°F15°C | 85°F29°C | 2 mph4 km/h from SW | Mostly Clear | Clear |
| September 12 | 61°F16°C | 85°F30°C | 3 mph5 km/h from S | Mostly Clear | Partly Cloudy |
| September 13 | 63°F17°C | 82°F28°C | 4 mph6 km/h from E | Cloudy | Cloudy |
| September 14 | 63°F17°C | 83°F28°C | 4 mph7 km/h from E | Cloudy | Mostly Cloudy |
Yes
Low of 53°F12°C, High of 77°F25°CWind: 7 mph11 km/h
Precipitation: None