Yes
you do need a jacket based on the weather in Philadelphia, PA, USA 3 minutes ago
Why? Because it's not very warm out!
54°F12°C & Clear
Wind is 8 mph13 km/h from the North, gusting to 17 mph28 km/h
| October 17 | ||||
| 3pm | 57°F14°C | 9 mph14 km/h North | Clear | |
| 4pm | 60°F16°C | 9 mph14 km/h North | Clear | |
| 5pm | 62°F17°C | 9 mph14 km/h North | Clear | |
| 6pm | 63°F17°C | 8 mph13 km/h Northwest | Clear | |
| 7pm | 64°F18°C | 8 mph13 km/h Northwest | Clear | |
| 8pm | 65°F18°C | 8 mph12 km/h Northwest | Clear | |
| 9pm | 64°F18°C | 7 mph12 km/h Northwest | Clear | |
| 10pm | 61°F16°C | 6 mph9 km/h Northwest | Clear | |
| 11pm | 58°F14°C | 5 mph7 km/h Northwest | Clear | |
| October 18 | ||||
| 12am | 56°F13°C | 4 mph7 km/h Northwest | Clear | |
| 1am | 54°F12°C | 4 mph7 km/h Northwest | Clear | |
| 2am | 52°F11°C | 4 mph7 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 17 | 45°F7°C | 65°F18°C | 8 mph12 km/h from Northwest | Clear | Mostly Clear |
| October 18 | 47°F8°C | 69°F20°C | 3 mph5 km/h from Southwest | Partly Cloudy | Mostly Clear |
| October 19 | 53°F12°C | 76°F24°C | 11 mph18 km/h from South | Partly Cloudy | Thunderstorms |
| October 20 | 52°F11°C | 64°F18°C | 12 mph20 km/h from West | Drizzle | Clear |
| October 21 | 47°F8°C | 68°F20°C | 7 mph11 km/h from South | Clear | Partly Cloudy |
| October 22 | 48°F9°C | 60°F16°C | 10 mph17 km/h from West | Mostly Clear | Mostly Clear |
| October 23 | 45°F7°C | 60°F16°C | 8 mph13 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 46°F8°C, High of 69°F21°CWind: 3 mph5 km/h
Precipitation: None