No
you don't need a jacket based on the weather in West Chester, PA, USA 1 second ago
85°F29°C & Clear
Wind is 6 mph9 km/h from the Southwest, gusting to 9 mph15 km/h
| August 11 | ||||
| 6pm | 84°F29°C | 6 mph10 km/h Southwest | Clear | |
| 7pm | 82°F28°C | 5 mph7 km/h Southwest | Clear | |
| 8pm | 78°F26°C | 5 mph8 km/h South | Clear | |
| 9pm | 75°F24°C | 5 mph9 km/h South | Clear | |
| 10pm | 73°F23°C | 5 mph8 km/h South | Clear | |
| 11pm | 71°F21°C | 5 mph8 km/h South | Clear | |
| August 12 | ||||
| 12am | 70°F21°C | 5 mph7 km/h South | Clear | |
| 1am | 69°F21°C | 4 mph7 km/h Southwest | Clear | |
| 2am | 69°F20°C | 4 mph6 km/h Southwest | Clear | |
| 3am | 68°F20°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 4am | 68°F20°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 5am | 68°F20°C | 3 mph4 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 11 | 58°F15°C | 86°F30°C | 3 mph4 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 12 | 68°F20°C | 88°F31°C | 4 mph7 km/h from South | Mostly Clear | Mostly Clear |
| August 13 | 71°F22°C | 86°F30°C | 5 mph8 km/h from Southwest | Thunderstorms | Thunderstorms |
| August 14 | 72°F22°C | 85°F29°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| August 15 | 70°F21°C | 85°F29°C | 5 mph7 km/h from North | Partly Cloudy | Partly Cloudy |
| August 16 | 70°F21°C | 84°F29°C | 3 mph5 km/h from South | Partly Cloudy | Partly Cloudy |
| August 17 | 70°F21°C | 86°F30°C | 6 mph10 km/h from West | Partly Cloudy | Partly Cloudy |
No
Low of 68°F20°C, High of 88°F31°CWind: 4 mph7 km/h
Precipitation: None