Yes
you do need a jacket based on the weather in Downingtown, PA 19335, USA 1 second ago
Why? Because the temperature has dropped below freezing and it's so windy, your hat will probably launch into orbit!
28°F-2°C & Mostly Cloudy
Wind is 14 mph22 km/h from the West, gusting to 29 mph47 km/h
| January 4 | ||||
| 6pm | 28°F-2°C | 13 mph22 km/h West | Partly Cloudy | |
| 7pm | 26°F-3°C | 13 mph22 km/h West | Partly Cloudy | |
| 8pm | 25°F-4°C | 13 mph20 km/h West | Partly Cloudy | |
| 9pm | 24°F-4°C | 13 mph21 km/h West | Partly Cloudy | |
| 10pm | 24°F-5°C | 12 mph20 km/h West | Partly Cloudy | |
| 11pm | 23°F-5°C | 13 mph21 km/h West | Partly Cloudy | |
| January 5 | ||||
| 12am | 23°F-5°C | 12 mph20 km/h West | Mostly Clear | |
| 1am | 23°F-5°C | 13 mph20 km/h West | Mostly Clear | |
| 2am | 22°F-6°C | 12 mph19 km/h West | Mostly Clear | |
| 3am | 22°F-6°C | 11 mph18 km/h West | Mostly Clear | |
| 4am | 21°F-6°C | 11 mph17 km/h West | Mostly Clear | |
| 5am | 21°F-6°C | 11 mph17 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 4 | 23°F-5°C | 30°F-1°C | 10 mph17 km/h from Northwest | Partly Cloudy | Mostly Clear |
| January 5 | 21°F-6°C | 32°F0°C | 12 mph20 km/h from West | Mostly Clear | Snow |
| January 6 | 22°F-5°C | 30°F-1°C | 5 mph8 km/h from Northeast | Snow | Mostly Cloudy |
| January 7 | 19°F-7°C | 31°F-1°C | 16 mph26 km/h from Northwest | Windy | Partly Cloudy |
| January 8 | 20°F-7°C | 30°F-1°C | 13 mph21 km/h from Northwest | Partly Cloudy | Mostly Clear |
| January 9 | 16°F-9°C | 31°F-1°C | 18 mph28 km/h from Northwest | Windy | Windy |
| January 10 | 20°F-7°C | 35°F1°C | 12 mph19 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 21°F-6°C, High of 32°F0°CWind: 12 mph20 km/h
Precipitation: None