Yes
you do need a jacket based on the weather in Philadelphia, PA 19147, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool and the wind could blow a wig clean off your head!
56°F14°C & Clear
Wind is 9 mph14 km/h from the North, gusting to 24 mph39 km/h
| May 20 | ||||
| 12am | 55°F13°C | 9 mph15 km/h North | Clear | |
| 1am | 52°F11°C | 8 mph12 km/h North | Clear | |
| 2am | 51°F11°C | 7 mph12 km/h North | Clear | |
| 3am | 50°F10°C | 7 mph11 km/h North | Clear | |
| 4am | 49°F9°C | 6 mph10 km/h North | Clear | |
| 5am | 48°F9°C | 6 mph9 km/h Northwest | Clear | |
| 6am | 48°F9°C | 5 mph8 km/h Northwest | Clear | |
| 7am | 49°F10°C | 8 mph13 km/h Northwest | Clear | |
| 8am | 52°F11°C | 10 mph15 km/h North | Clear | |
| 9am | 54°F12°C | 9 mph15 km/h North | Clear | |
| 10am | 57°F14°C | 9 mph14 km/h North | Clear | |
| 11am | 60°F15°C | 8 mph13 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 19 | 55°F13°C | 71°F22°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| May 20 | 48°F9°C | 69°F21°C | 7 mph12 km/h from North | Partly Cloudy | Cloudy |
| May 21 | 52°F11°C | 58°F14°C | 10 mph16 km/h from East | Rain | Rain |
| May 22 | 51°F11°C | 59°F15°C | 7 mph11 km/h from Northeast | Drizzle | Drizzle |
| May 23 | 49°F9°C | 62°F17°C | 7 mph12 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| May 24 | 50°F10°C | 65°F18°C | 10 mph17 km/h from Northwest | Partly Cloudy | Clear |
| May 25 | 50°F10°C | 66°F19°C | 9 mph14 km/h from Northwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 48°F9°C, High of 70°F21°CWind: 7 mph12 km/h
Precipitation: None