Yes
you do need a jacket based on the weather in Pennsylvania, USA 1 second ago
Why? Because it's quite chilly!
47°F8°C & Partly Cloudy
Wind is 6 mph9 km/h from the West, gusting to 14 mph23 km/h
| May 25 | ||||
| 2am | 47°F8°C | 6 mph9 km/h West | Mostly Clear | |
| 3am | 46°F8°C | 6 mph9 km/h West | Mostly Clear | |
| 4am | 45°F7°C | 5 mph8 km/h West | Mostly Clear | |
| 5am | 45°F7°C | 5 mph8 km/h West | Mostly Clear | |
| 6am | 44°F7°C | 5 mph8 km/h West | Mostly Clear | |
| 7am | 47°F8°C | 6 mph9 km/h West | Partly Cloudy | |
| 8am | 49°F10°C | 7 mph12 km/h West | Mostly Clear | |
| 9am | 52°F11°C | 8 mph13 km/h Northwest | Mostly Cloudy | |
| 10am | 55°F13°C | 9 mph14 km/h Northwest | Mostly Cloudy | |
| 11am | 57°F14°C | 9 mph14 km/h Northwest | Mostly Cloudy | |
| 12pm | 59°F15°C | 9 mph15 km/h Northwest | Mostly Cloudy | |
| 1pm | 60°F16°C | 10 mph16 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 25 | 44°F7°C | 63°F17°C | 9 mph14 km/h from Northwest | Partly Cloudy | Mostly Clear |
| May 26 | 44°F7°C | 67°F20°C | 5 mph7 km/h from North | Partly Cloudy | Partly Cloudy |
| May 27 | 46°F8°C | 68°F20°C | 4 mph7 km/h from Southeast | Mostly Cloudy | Drizzle |
| May 28 | 51°F11°C | 58°F14°C | 7 mph11 km/h from Southeast | Rain | Drizzle |
| May 29 | 54°F12°C | 70°F21°C | 5 mph8 km/h from Southwest | Drizzle | Partly Cloudy |
| May 30 | 55°F13°C | 71°F22°C | 8 mph14 km/h from West | Partly Cloudy | Partly Cloudy |
| May 31 | 52°F11°C | 68°F20°C | 7 mph12 km/h from Northwest | Drizzle | Partly Cloudy |
Yes
Low of 44°F7°C, High of 67°F20°CWind: 5 mph7 km/h
Precipitation: None