No
you don't need a jacket based on the weather in Lancaster, PA, USA 1 second ago
61°F16°C & Partly Cloudy
Wind is 2 mph3 km/h from the North, gusting to 4 mph7 km/h
| September 14 | ||||
| 8am | 63°F17°C | 1 mph2 km/h Northeast | Clear | |
| 9am | 68°F20°C | 3 mph5 km/h Northeast | Clear | |
| 10am | 73°F23°C | 4 mph7 km/h Northeast | Clear | |
| 11am | 76°F25°C | 5 mph8 km/h Northeast | Clear | |
| 12pm | 79°F26°C | 5 mph9 km/h Northeast | Clear | |
| 1pm | 81°F27°C | 6 mph9 km/h Northeast | Clear | |
| 2pm | 82°F28°C | 5 mph8 km/h Northeast | Clear | |
| 3pm | 82°F28°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 4pm | 82°F28°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 5pm | 81°F27°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 6pm | 79°F26°C | 5 mph7 km/h Northeast | Mostly Clear | |
| 7pm | 76°F24°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 14 | 60°F16°C | 82°F28°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 15 | 58°F14°C | 81°F27°C | 5 mph8 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 16 | 57°F14°C | 78°F26°C | 8 mph13 km/h from East | Mostly Cloudy | Cloudy |
| September 17 | 60°F16°C | 71°F22°C | 7 mph12 km/h from Northeast | Rain | Drizzle |
| September 18 | 62°F17°C | 78°F26°C | 3 mph5 km/h from North | Partly Cloudy | Mostly Clear |
| September 19 | 61°F16°C | 82°F28°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 20 | 60°F15°C | 76°F24°C | 6 mph10 km/h from Northeast | Mostly Clear | Partly Cloudy |
Yes
Low of 58°F15°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None