No
you don't need a jacket based on the weather in Mechanicsburg, PA, USA 1 second ago
60°F16°C & Partly Cloudy
Wind is 2 mph4 km/h from the Northeast, gusting to 4 mph6 km/h
| September 16 | ||||
| 3am | 60°F15°C | 3 mph5 km/h East | Mostly Cloudy | |
| 4am | 59°F15°C | 3 mph5 km/h North | Cloudy | |
| 5am | 59°F15°C | 2 mph4 km/h Northeast | Cloudy | |
| 6am | 58°F15°C | 3 mph4 km/h Northeast | Cloudy | |
| 7am | 58°F14°C | 2 mph4 km/h Northeast | Cloudy | |
| 8am | 61°F16°C | 3 mph4 km/h North | Cloudy | |
| 9am | 65°F18°C | 5 mph8 km/h Northeast | Cloudy | |
| 10am | 69°F20°C | 5 mph9 km/h Northeast | Cloudy | |
| 11am | 72°F22°C | 6 mph10 km/h Northeast | Cloudy | |
| 12pm | 74°F23°C | 8 mph12 km/h Northeast | Cloudy | |
| 1pm | 76°F24°C | 9 mph14 km/h Northeast | Cloudy | |
| 2pm | 77°F25°C | 9 mph15 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 58°F14°C | 77°F25°C | 7 mph11 km/h from East | Cloudy | Mostly Cloudy |
| September 17 | 61°F16°C | 69°F20°C | 6 mph10 km/h from Northeast | Rain | Drizzle |
| September 18 | 62°F17°C | 80°F27°C | 3 mph6 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 19 | 61°F16°C | 81°F27°C | 5 mph8 km/h from North | Mostly Clear | Clear |
| September 20 | 54°F12°C | 76°F24°C | 5 mph9 km/h from East | Clear | Partly Cloudy |
| September 21 | 58°F14°C | 74°F23°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 22 | 59°F15°C | 79°F26°C | 5 mph8 km/h from South | Partly Cloudy | Mostly Clear |
No
Low of 61°F16°C, High of 69°F21°CWind: 6 mph10 km/h
Precipitation: 54% rain