No
you don't need a jacket based on the weather in Downingtown, PA 19335, USA 1 second ago
73°F23°C & Cloudy
Wind is 7 mph11 km/h from the Southeast, gusting to 11 mph18 km/h
| May 27 | ||||
| 4pm | 73°F23°C | 7 mph12 km/h South | Cloudy | |
| 5pm | 71°F22°C | 9 mph15 km/h South | Cloudy | |
| 6pm | 69°F21°C | 8 mph13 km/h South | Cloudy | |
| 7pm | 66°F19°C | 7 mph12 km/h South | Cloudy | |
| 8pm | 64°F18°C | 6 mph9 km/h South | Cloudy | |
| 9pm | 61°F16°C | 4 mph7 km/h South | Cloudy | |
| 10pm | 60°F16°C | 4 mph6 km/h Southwest | Cloudy | |
| 11pm | 58°F15°C | 4 mph6 km/h Southwest | Cloudy | |
| May 28 | ||||
| 12am | 57°F14°C | 3 mph5 km/h Southwest | Cloudy | |
| 1am | 57°F14°C | 2 mph4 km/h South | Cloudy | |
| 2am | 56°F13°C | 2 mph4 km/h South | Cloudy | |
| 3am | 56°F13°C | 3 mph4 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 27 | 49°F9°C | 73°F23°C | 4 mph6 km/h from South | Mostly Cloudy | Drizzle |
| May 28 | 54°F12°C | 60°F16°C | 8 mph13 km/h from East | Rain | Rain |
| May 29 | 56°F14°C | 75°F24°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| May 30 | 59°F15°C | 75°F24°C | 6 mph9 km/h from West | Mostly Cloudy | Rain |
| May 31 | 52°F11°C | 68°F20°C | 10 mph17 km/h from West | Thunderstorms | Thunderstorms |
| June 1 | 49°F9°C | 66°F19°C | 9 mph15 km/h from West | Partly Cloudy | Partly Cloudy |
| June 2 | 52°F11°C | 71°F22°C | 5 mph9 km/h from West | Drizzle | Mostly Clear |
Yes
Low of 55°F13°C, High of 60°F16°CWind: 8 mph13 km/h
Precipitation: 92% rain