No
you don't need a jacket based on the weather in Philadelphia, PA, USA 2 minutes ago
69°F21°C & Clear
Wind is 2 mph4 km/h from the East, gusting to 6 mph9 km/h
| May 15 | ||||
| 10pm | 68°F20°C | 3 mph4 km/h Southeast | Mostly Clear | |
| 11pm | 67°F19°C | 2 mph3 km/h South | Clear | |
| May 16 | ||||
| 12am | 66°F19°C | 2 mph3 km/h South | Mostly Clear | |
| 1am | 65°F18°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 2am | 64°F18°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| 3am | 63°F17°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| 4am | 63°F17°C | 2 mph2 km/h South | Partly Cloudy | |
| 5am | 63°F17°C | 2 mph3 km/h South | Mostly Cloudy | |
| 6am | 63°F17°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| 7am | 64°F18°C | 2 mph4 km/h Southeast | Cloudy | |
| 8am | 65°F19°C | 3 mph6 km/h Southeast | Cloudy | |
| 9am | 68°F20°C | 4 mph6 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 63°F17°C | 74°F24°C | 2 mph3 km/h from East | Drizzle | Partly Cloudy |
| May 16 | 62°F17°C | 81°F27°C | 5 mph8 km/h from Southwest | Thunderstorms | Mostly Cloudy |
| May 17 | 67°F19°C | 83°F29°C | 8 mph13 km/h from Southwest | Rain | Mostly Clear |
| May 18 | 61°F16°C | 74°F23°C | 14 mph22 km/h from West | Partly Cloudy | Mostly Clear |
| May 19 | 58°F14°C | 74°F24°C | 11 mph17 km/h from Northwest | Mostly Clear | Mostly Clear |
| May 20 | 52°F11°C | 70°F21°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| May 21 | 51°F11°C | 59°F15°C | 8 mph13 km/h from East | Rain | Rain |
No
Low of 63°F17°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: 40% rain