No
you don't need a jacket based on the weather in Philadelphia, PA, USA 33 seconds ago
71°F21°C & Cloudy
Wind is 4 mph6 km/h from the South, gusting to 11 mph17 km/h
| May 16 | ||||
| 11pm | 70°F21°C | 4 mph7 km/h South | Mostly Cloudy | |
| May 17 | ||||
| 12am | 70°F21°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 1am | 69°F20°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 2am | 68°F20°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| 3am | 68°F20°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 4am | 67°F20°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| 5am | 67°F19°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 6am | 67°F20°C | 5 mph9 km/h Southwest | Cloudy | |
| 7am | 68°F20°C | 6 mph9 km/h South | Cloudy | |
| 8am | 70°F21°C | 6 mph10 km/h Southwest | Cloudy | |
| 9am | 71°F22°C | 7 mph11 km/h Southwest | Cloudy | |
| 10am | 73°F23°C | 8 mph14 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 16 | 62°F17°C | 77°F25°C | 2 mph4 km/h from Southeast | Thunderstorms | Thunderstorms |
| May 17 | 67°F19°C | 83°F28°C | 10 mph15 km/h from Southwest | Partly Cloudy | Clear |
| May 18 | 59°F15°C | 72°F22°C | 13 mph21 km/h from West | Partly Cloudy | Mostly Clear |
| May 19 | 56°F13°C | 73°F23°C | 11 mph18 km/h from Northwest | Mostly Clear | Clear |
| May 20 | 49°F10°C | 67°F19°C | 6 mph10 km/h from North | Partly Cloudy | Mostly Cloudy |
| May 21 | 52°F11°C | 57°F14°C | 11 mph17 km/h from East | Rain | Rain |
| May 22 | 50°F10°C | 56°F13°C | 9 mph15 km/h from North | Drizzle | Drizzle |
No
Low of 67°F20°C, High of 83°F29°CWind: 10 mph15 km/h
Precipitation: 17% rain