Yes
you do need a jacket based on the weather in Lancaster County, PA, USA 1 second ago
Why? Because it's why-did-i-leave-my bed degrees out and it's so windy, you’re practically horizontal just trying to walk!
27°F-3°C & Windy
Wind is 18 mph29 km/h from the Northwest, gusting to 29 mph47 km/h
| January 8 | ||||
| 2pm | 27°F-3°C | 18 mph29 km/h Northwest | Windy | |
| 3pm | 27°F-3°C | 18 mph29 km/h Northwest | Windy | |
| 4pm | 26°F-3°C | 17 mph28 km/h Northwest | Windy | |
| 5pm | 25°F-4°C | 17 mph27 km/h Northwest | Windy | |
| 6pm | 23°F-5°C | 16 mph25 km/h Northwest | Windy | |
| 7pm | 22°F-6°C | 16 mph26 km/h Northwest | Windy | |
| 8pm | 21°F-6°C | 17 mph27 km/h Northwest | Windy | |
| 9pm | 20°F-7°C | 15 mph24 km/h Northwest | Windy | |
| 10pm | 19°F-7°C | 15 mph24 km/h Northwest | Windy | |
| 11pm | 18°F-8°C | 15 mph24 km/h Northwest | Clear | |
| January 9 | ||||
| 12am | 17°F-8°C | 15 mph23 km/h Northwest | Clear | |
| 1am | 17°F-8°C | 15 mph23 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 8 | 17°F-8°C | 28°F-2°C | 13 mph22 km/h from Northwest | Mostly Cloudy | Windy |
| January 9 | 16°F-9°C | 31°F-1°C | 19 mph30 km/h from Northwest | Windy | Clear |
| January 10 | 20°F-7°C | 32°F0°C | 9 mph14 km/h from Northwest | Mostly Cloudy | Snow |
| January 11 | 25°F-4°C | 34°F1°C | 9 mph14 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| January 12 | 23°F-5°C | 35°F2°C | 7 mph11 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| January 13 | 22°F-6°C | 36°F2°C | 5 mph8 km/h from West | Mostly Cloudy | Mostly Clear |
| January 14 | 19°F-7°C | 30°F-1°C | 15 mph25 km/h from West | Windy | Partly Cloudy |
Yes
Low of 16°F-9°C, High of 30°F-1°CWind: 19 mph30 km/h
Precipitation: None