Yes
you do need a jacket based on the weather in Annville, PA, USA 1 second ago
Why? Because your nose hairs will turn into tiny icicles!
29°F-2°C & Clear
Wind is 4 mph6 km/h from the North, gusting to 6 mph10 km/h
| December 13 | ||||
| 5pm | 29°F-2°C | 4 mph6 km/h North | Clear | |
| 6pm | 27°F-3°C | 4 mph6 km/h North | Clear | |
| 7pm | 25°F-4°C | 4 mph7 km/h Northeast | Clear | |
| 8pm | 24°F-4°C | 4 mph7 km/h Northeast | Clear | |
| 9pm | 23°F-5°C | 4 mph7 km/h Northeast | Clear | |
| 10pm | 22°F-5°C | 4 mph7 km/h Northeast | Clear | |
| 11pm | 22°F-6°C | 4 mph6 km/h Northeast | Clear | |
| December 14 | ||||
| 12am | 21°F-6°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 1am | 21°F-6°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 2am | 21°F-6°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 3am | 20°F-7°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 4am | 19°F-7°C | 4 mph6 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 13 | 20°F-6°C | 33°F1°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| December 14 | 18°F-8°C | 34°F1°C | 4 mph7 km/h from East | Mostly Clear | Mostly Cloudy |
| December 15 | 21°F-6°C | 37°F3°C | 6 mph10 km/h from East | Snow | Rain |
| December 16 | 32°F-0°C | 47°F8°C | 5 mph8 km/h from East | Rain | Rain |
| December 17 | 36°F2°C | 55°F13°C | 9 mph15 km/h from West | Drizzle | Mostly Clear |
| December 18 | 30°F-1°C | 45°F7°C | 3 mph5 km/h from Southeast | Mostly Cloudy | Drizzle |
| December 19 | 32°F0°C | 42°F5°C | 9 mph15 km/h from North | Partly Cloudy | Snow |
Yes
Low of 18°F-8°C, High of 34°F1°CWind: 4 mph7 km/h
Precipitation: None