Yes
you do need a jacket based on the weather in Mechanicsburg, PA, USA 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
49°F9°C & Mostly Cloudy
Wind is 4 mph6 km/h from the West, gusting to 7 mph11 km/h
| August 30 | ||||
| 7am | 49°F9°C | 4 mph6 km/h West | Clear | |
| 8am | 53°F12°C | 4 mph6 km/h West | Clear | |
| 9am | 58°F15°C | 5 mph8 km/h Northwest | Clear | |
| 10am | 62°F17°C | 5 mph9 km/h Northwest | Clear | |
| 11am | 65°F18°C | 5 mph9 km/h North | Clear | |
| 12pm | 67°F20°C | 6 mph10 km/h North | Clear | |
| 1pm | 69°F21°C | 6 mph9 km/h Northwest | Clear | |
| 2pm | 71°F22°C | 5 mph8 km/h Northwest | Clear | |
| 3pm | 72°F22°C | 5 mph8 km/h Northwest | Clear | |
| 4pm | 73°F23°C | 5 mph8 km/h Northwest | Clear | |
| 5pm | 73°F23°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 6pm | 71°F22°C | 4 mph7 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 30 | 49°F9°C | 73°F23°C | 5 mph8 km/h from Northwest | Clear | Clear |
| August 31 | 51°F10°C | 75°F24°C | 4 mph7 km/h from North | Mostly Clear | Mostly Clear |
| September 1 | 53°F12°C | 77°F25°C | 5 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 2 | 56°F13°C | 77°F25°C | 2 mph3 km/h from North | Partly Cloudy | Mostly Clear |
| September 3 | 56°F13°C | 79°F26°C | 4 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
| September 4 | 60°F16°C | 76°F25°C | 7 mph11 km/h from Southeast | Partly Cloudy | Drizzle |
| September 5 | 60°F16°C | 70°F21°C | 6 mph10 km/h from Northwest | Rain | Thunderstorms |
Yes
Low of 51°F11°C, High of 75°F24°CWind: 4 mph7 km/h
Precipitation: None