Yes
you do need a jacket based on the weather in Chester, PA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it and the wind is harsh and biting!
52°F11°C & Clear
Wind is 10 mph16 km/h from the Southeast, gusting to 20 mph32 km/h
| March 12 | ||||
| 8pm | 50°F10°C | 10 mph16 km/h East | Clear | |
| 9pm | 47°F8°C | 9 mph15 km/h East | Clear | |
| 10pm | 45°F7°C | 8 mph13 km/h East | Clear | |
| 11pm | 43°F6°C | 8 mph13 km/h East | Clear | |
| March 13 | ||||
| 12am | 42°F6°C | 9 mph14 km/h East | Clear | |
| 1am | 41°F5°C | 8 mph14 km/h East | Clear | |
| 2am | 40°F5°C | 8 mph13 km/h East | Mostly Clear | |
| 3am | 40°F4°C | 8 mph13 km/h East | Mostly Clear | |
| 4am | 39°F4°C | 8 mph13 km/h East | Partly Cloudy | |
| 5am | 39°F4°C | 8 mph13 km/h East | Mostly Cloudy | |
| 6am | 39°F4°C | 8 mph14 km/h East | Mostly Cloudy | |
| 7am | 39°F4°C | 8 mph14 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 12 | 42°F6°C | 63°F17°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| March 13 | 39°F4°C | 56°F13°C | 8 mph13 km/h from East | Mostly Cloudy | Partly Cloudy |
| March 14 | 40°F4°C | 61°F16°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Cloudy |
| March 15 | 44°F7°C | 65°F18°C | 8 mph13 km/h from Southeast | Cloudy | Mostly Cloudy |
| March 16 | 56°F13°C | 68°F20°C | 16 mph26 km/h from South | Rain | Thunderstorms |
| March 17 | 40°F5°C | 60°F16°C | 12 mph19 km/h from Northwest | Rain | Mostly Clear |
| March 18 | 35°F2°C | 59°F15°C | 7 mph11 km/h from West | Clear | Mostly Clear |
Yes
Low of 39°F4°C, High of 56°F14°CWind: 8 mph13 km/h
Precipitation: None