Yes
you do need a jacket based on the weather in Lancaster, PA, USA 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer and it's super windy outside!
42°F5°C & Cloudy
Wind is 13 mph21 km/h from the West, gusting to 27 mph43 km/h
| January 13 | ||||
| 2pm | 41°F5°C | 13 mph21 km/h West | Cloudy | |
| 3pm | 41°F5°C | 12 mph20 km/h West | Cloudy | |
| 4pm | 40°F5°C | 12 mph19 km/h West | Mostly Cloudy | |
| 5pm | 38°F3°C | 10 mph16 km/h West | Partly Cloudy | |
| 6pm | 35°F2°C | 9 mph15 km/h West | Clear | |
| 7pm | 33°F1°C | 7 mph11 km/h West | Clear | |
| 8pm | 31°F-1°C | 7 mph11 km/h West | Clear | |
| 9pm | 29°F-1°C | 7 mph11 km/h West | Mostly Clear | |
| 10pm | 29°F-2°C | 7 mph12 km/h West | Partly Cloudy | |
| 11pm | 28°F-2°C | 8 mph14 km/h West | Partly Cloudy | |
| January 14 | ||||
| 12am | 27°F-3°C | 10 mph16 km/h West | Partly Cloudy | |
| 1am | 26°F-3°C | 10 mph16 km/h Northwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 13 | 26°F-3°C | 42°F6°C | 8 mph12 km/h from West | Partly Cloudy | Mostly Clear |
| January 14 | 18°F-8°C | 27°F-3°C | 14 mph22 km/h from West | Partly Cloudy | Mostly Clear |
| January 15 | 17°F-8°C | 30°F-1°C | 15 mph23 km/h from Northwest | Partly Cloudy | Mostly Clear |
| January 16 | 16°F-9°C | 30°F-1°C | 9 mph15 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| January 17 | 24°F-4°C | 39°F4°C | 8 mph12 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| January 18 | 30°F-1°C | 41°F5°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| January 19 | 30°F-1°C | 39°F4°C | 5 mph9 km/h from Northwest | Mostly Cloudy | Snow |
Yes
Low of 18°F-8°C, High of 28°F-3°CWind: 14 mph22 km/h
Precipitation: None