Yes
you do need a jacket based on the weather in Chester, PA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
54°F12°C & Cloudy
Wind is 6 mph10 km/h from the NE, gusting to 11 mph18 km/h
| April 25 | ||||
| 2pm | 55°F13°C | 6 mph9 km/h E | Mostly Cloudy | |
| 3pm | 57°F14°C | 5 mph8 km/h E | Mostly Cloudy | |
| 4pm | 58°F14°C | 5 mph7 km/h E | Partly Cloudy | |
| 5pm | 59°F15°C | 4 mph7 km/h E | Partly Cloudy | |
| 6pm | 58°F14°C | 3 mph6 km/h E | Mostly Cloudy | |
| 7pm | 56°F14°C | 4 mph7 km/h SE | Mostly Cloudy | |
| 8pm | 53°F12°C | 6 mph9 km/h SE | Mostly Cloudy | |
| 9pm | 51°F10°C | 7 mph11 km/h SE | Mostly Cloudy | |
| 10pm | 48°F9°C | 5 mph9 km/h SE | Mostly Cloudy | |
| 11pm | 45°F7°C | 4 mph7 km/h SE | Mostly Cloudy | |
| April 26 | ||||
| 12am | 44°F7°C | 3 mph5 km/h SE | Mostly Cloudy | |
| 1am | 42°F6°C | 2 mph4 km/h SE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 44°F7°C | 59°F15°C | 6 mph9 km/h from E | Mostly Cloudy | Partly Cloudy |
| April 26 | 38°F3°C | 64°F18°C | 6 mph10 km/h from SE | Clear | Partly Cloudy |
| April 27 | 40°F4°C | 63°F17°C | 8 mph14 km/h from S | Mostly Cloudy | Mostly Cloudy |
| April 28 | 48°F9°C | 80°F27°C | 7 mph11 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 29 | 59°F15°C | 88°F31°C | 4 mph6 km/h from W | Partly Cloudy | Mostly Clear |
| April 30 | 60°F15°C | 86°F30°C | 7 mph11 km/h from S | Mostly Clear | Mostly Clear |
| May 1 | 60°F16°C | 82°F28°C | 5 mph9 km/h from W | Partly Cloudy | Partly Cloudy |
Yes
Low of 37°F3°C, High of 64°F18°CWind: 6 mph10 km/h
Precipitation: None