Yes
you do need a jacket based on the weather in Hummelstown, PA 17036, USA 1 second ago
Why? Because it's not very warm out!
55°F13°C & Cloudy
Wind is 6 mph10 km/h from the Southeast, gusting to 11 mph17 km/h
| March 14 | ||||
| 3pm | 56°F14°C | 7 mph11 km/h Southeast | Partly Cloudy | |
| 4pm | 57°F14°C | 8 mph12 km/h Southeast | Mostly Cloudy | |
| 5pm | 57°F14°C | 9 mph14 km/h Southeast | Mostly Cloudy | |
| 6pm | 56°F14°C | 8 mph13 km/h Southeast | Mostly Cloudy | |
| 7pm | 54°F12°C | 7 mph11 km/h Southeast | Mostly Cloudy | |
| 8pm | 51°F11°C | 6 mph10 km/h Southeast | Cloudy | |
| 9pm | 49°F10°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| 10pm | 48°F9°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| 11pm | 46°F8°C | 6 mph9 km/h Southeast | Partly Cloudy | |
| March 15 | ||||
| 12am | 45°F7°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 1am | 44°F6°C | 6 mph9 km/h Southeast | Cloudy | |
| 2am | 43°F6°C | 6 mph9 km/h Southeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 14 | 34°F1°C | 57°F14°C | 5 mph8 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| March 15 | 42°F5°C | 58°F15°C | 10 mph16 km/h from Southeast | Cloudy | Mostly Cloudy |
| March 16 | 53°F11°C | 66°F19°C | 17 mph27 km/h from South | Rain | Heavy Rain |
| March 17 | 39°F4°C | 56°F14°C | 11 mph18 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| March 18 | 34°F1°C | 64°F18°C | 6 mph9 km/h from West | Clear | Clear |
| March 19 | 41°F5°C | 67°F20°C | 7 mph11 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| March 20 | 41°F5°C | 61°F16°C | 14 mph23 km/h from South | Rain | Drizzle |
Yes
Low of 42°F6°C, High of 58°F15°CWind: 10 mph16 km/h
Precipitation: None