Yes
you do need a jacket based on the weather in Philadelphia, PA 19138, USA 1 second ago
Why? Because it's not very warm out.
57°F14°C & Cloudy
Wind is 9 mph15 km/h from the E, gusting to 18 mph29 km/h
| May 3 | ||||
| 7pm | 56°F14°C | 9 mph15 km/h E | Mostly Cloudy | |
| 8pm | 55°F13°C | 8 mph14 km/h E | Mostly Cloudy | |
| 9pm | 54°F12°C | 8 mph12 km/h E | Mostly Cloudy | |
| 10pm | 53°F12°C | 7 mph10 km/h E | Partly Cloudy | |
| 11pm | 52°F11°C | 5 mph9 km/h E | Partly Cloudy | |
| May 4 | ||||
| 12am | 51°F11°C | 5 mph7 km/h E | Partly Cloudy | |
| 1am | 51°F10°C | 5 mph7 km/h E | Mostly Cloudy | |
| 2am | 50°F10°C | 4 mph7 km/h E | Mostly Cloudy | |
| 3am | 49°F9°C | 4 mph7 km/h E | Mostly Cloudy | |
| 4am | 48°F9°C | 5 mph8 km/h E | Mostly Cloudy | |
| 5am | 48°F9°C | 5 mph8 km/h E | Partly Cloudy | |
| 6am | 47°F9°C | 5 mph8 km/h E | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 3 | 51°F11°C | 69°F21°C | 6 mph10 km/h from E | Mostly Cloudy | Mostly Cloudy |
| May 4 | 47°F9°C | 65°F18°C | 9 mph14 km/h from E | Cloudy | Drizzle |
| May 5 | 48°F9°C | 62°F17°C | 8 mph13 km/h from SE | Rain | Rain |
| May 6 | 58°F15°C | 76°F25°C | 4 mph7 km/h from W | Rain | Drizzle |
| May 7 | 59°F15°C | 74°F23°C | 5 mph7 km/h from E | Rain | Drizzle |
| May 8 | 58°F14°C | 78°F26°C | 6 mph10 km/h from S | Drizzle | Rain |
| May 9 | 58°F14°C | 68°F20°C | 6 mph9 km/h from E | Rain | Rain |
Yes
Low of 47°F9°C, High of 65°F19°CWind: 9 mph14 km/h
Precipitation: 33% rain