No
you don't need a jacket based on the weather in Downingtown, PA 19335, USA 1 second ago
71°F22°C & Clear
Wind is 6 mph10 km/h from the West, gusting to 12 mph19 km/h
| August 26 | ||||
| 12pm | 72°F22°C | 7 mph11 km/h West | Clear | |
| 1pm | 73°F23°C | 7 mph12 km/h West | Mostly Clear | |
| 2pm | 74°F23°C | 8 mph12 km/h West | Mostly Clear | |
| 3pm | 74°F23°C | 7 mph12 km/h West | Mostly Clear | |
| 4pm | 74°F23°C | 8 mph13 km/h West | Mostly Clear | |
| 5pm | 74°F23°C | 8 mph13 km/h West | Mostly Clear | |
| 6pm | 72°F22°C | 8 mph13 km/h West | Mostly Clear | |
| 7pm | 71°F21°C | 6 mph10 km/h West | Mostly Clear | |
| 8pm | 67°F20°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 9pm | 65°F18°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 10pm | 64°F18°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 11pm | 62°F17°C | 7 mph11 km/h Northwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 26 | 54°F12°C | 74°F23°C | 6 mph9 km/h from West | Mostly Clear | Mostly Clear |
| August 27 | 55°F13°C | 73°F23°C | 9 mph14 km/h from Northwest | Mostly Clear | Partly Cloudy |
| August 28 | 54°F12°C | 74°F23°C | 6 mph9 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| August 29 | 59°F15°C | 75°F24°C | 8 mph12 km/h from West | Mostly Clear | Mostly Clear |
| August 30 | 54°F12°C | 73°F23°C | 6 mph10 km/h from Northwest | Clear | Mostly Clear |
| August 31 | 53°F12°C | 74°F24°C | 4 mph7 km/h from North | Partly Cloudy | Partly Cloudy |
| September 1 | 56°F13°C | 75°F24°C | 5 mph8 km/h from Northeast | Partly Cloudy | Mostly Clear |
Yes
Low of 55°F13°C, High of 73°F23°CWind: 9 mph14 km/h
Precipitation: None