No
you don't need a jacket based on the weather in Newtown Square, PA 19073, USA 19 minutes ago
72°F22°C & Clear
Wind is 5 mph8 km/h from the North, gusting to 11 mph17 km/h
| September 11 | ||||
| 8pm | 70°F21°C | 4 mph7 km/h North | Clear | |
| 9pm | 68°F20°C | 4 mph6 km/h North | Clear | |
| 10pm | 66°F19°C | 4 mph6 km/h North | Clear | |
| 11pm | 64°F18°C | 4 mph7 km/h North | Clear | |
| September 12 | ||||
| 12am | 63°F17°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 61°F16°C | 3 mph6 km/h North | Clear | |
| 2am | 60°F15°C | 4 mph6 km/h North | Mostly Clear | |
| 3am | 59°F15°C | 4 mph6 km/h North | Mostly Clear | |
| 4am | 58°F14°C | 4 mph6 km/h North | Mostly Clear | |
| 5am | 57°F14°C | 4 mph7 km/h North | Mostly Clear | |
| 6am | 57°F14°C | 4 mph7 km/h North | Mostly Clear | |
| 7am | 58°F14°C | 4 mph7 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 60°F16°C | 79°F26°C | 3 mph4 km/h from North | Mostly Clear | Clear |
| September 12 | 57°F14°C | 78°F26°C | 4 mph7 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 13 | 59°F15°C | 79°F26°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 14 | 61°F16°C | 81°F27°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| September 15 | 62°F16°C | 80°F27°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 61°F16°C | 78°F26°C | 4 mph6 km/h from East | Mostly Cloudy | Partly Cloudy |
| September 17 | 60°F15°C | 76°F25°C | 7 mph12 km/h from East | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 57°F14°C, High of 78°F26°CWind: 4 mph7 km/h
Precipitation: None