Yes
you do need a jacket based on the weather in Hummelstown, PA 17036, USA 1 second ago
Why? Because snow is coming down so hard, you can barely see two feet in front of you and it's cold enough to freeze the brass off a bald monkey!
29°F-1°C & Heavy Snow
Wind is 11 mph17 km/h from the North, gusting to 19 mph30 km/h
| January 19 | ||||
| 3pm | 29°F-2°C | 11 mph18 km/h North | Heavy Snow | |
| 4pm | 28°F-2°C | 11 mph17 km/h North | Heavy Snow | |
| 5pm | 27°F-3°C | 8 mph13 km/h North | Heavy Snow | |
| 6pm | 26°F-3°C | 10 mph15 km/h North | Snow | |
| 7pm | 24°F-4°C | 11 mph18 km/h North | Snow | |
| 8pm | 23°F-5°C | 11 mph17 km/h Northwest | Cloudy | |
| 9pm | 22°F-6°C | 10 mph17 km/h Northwest | Mostly Cloudy | |
| 10pm | 20°F-6°C | 11 mph17 km/h Northwest | Partly Cloudy | |
| 11pm | 20°F-7°C | 11 mph18 km/h Northwest | Mostly Clear | |
| January 20 | ||||
| 12am | 19°F-7°C | 10 mph17 km/h Northwest | Clear | |
| 1am | 18°F-8°C | 9 mph15 km/h Northwest | Clear | |
| 2am | 17°F-8°C | 8 mph13 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 19 | 19°F-7°C | 35°F2°C | 7 mph12 km/h from North | Heavy Snow | Snow |
| January 20 | 10°F-12°C | 20°F-7°C | 12 mph19 km/h from West | Mostly Clear | Mostly Clear |
| January 21 | 5°F-15°C | 17°F-8°C | 6 mph9 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| January 22 | 4°F-16°C | 17°F-8°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| January 23 | 9°F-13°C | 27°F-3°C | 3 mph5 km/h from South | Mostly Clear | Mostly Clear |
| January 24 | 12°F-11°C | 33°F1°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Clear |
| January 25 | 16°F-9°C | 33°F1°C | 6 mph10 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 10°F-13°C, High of 20°F-7°CWind: 12 mph19 km/h
Precipitation: None