No
you don't need a jacket based on the weather in (Winterthur), Delaware, United States 1 second ago
61°F16°C & Cloudy
Wind is 4 mph6 km/h from the North, gusting to 7 mph11 km/h
| September 11 | ||||
| 8am | 62°F17°C | 3 mph5 km/h North | Mostly Cloudy | |
| 9am | 66°F19°C | 6 mph9 km/h North | Mostly Cloudy | |
| 10am | 68°F20°C | 5 mph8 km/h North | Mostly Cloudy | |
| 11am | 71°F22°C | 5 mph8 km/h North | Mostly Cloudy | |
| 12pm | 73°F23°C | 5 mph9 km/h North | Mostly Cloudy | |
| 1pm | 75°F24°C | 5 mph8 km/h North | Partly Cloudy | |
| 2pm | 78°F25°C | 5 mph8 km/h North | Partly Cloudy | |
| 3pm | 78°F26°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 4pm | 79°F26°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 5pm | 78°F26°C | 5 mph9 km/h Northwest | Mostly Clear | |
| 6pm | 76°F25°C | 5 mph8 km/h North | Mostly Clear | |
| 7pm | 72°F22°C | 4 mph6 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 60°F16°C | 79°F26°C | 5 mph8 km/h from North | Partly Cloudy | Mostly Clear |
| September 12 | 58°F14°C | 78°F26°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 13 | 59°F15°C | 79°F26°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 14 | 60°F16°C | 81°F27°C | 3 mph5 km/h from North | Mostly Clear | Partly Cloudy |
| September 15 | 62°F17°C | 81°F27°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 60°F16°C | 80°F26°C | 4 mph7 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 17 | 61°F16°C | 76°F24°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 78°F26°CWind: 4 mph7 km/h
Precipitation: None