Yes
you do need a jacket based on the weather in Hummelstown, PA 17036, USA 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
48°F9°C & Mostly Clear
Wind is 5 mph8 km/h from the West, gusting to 13 mph21 km/h
| May 24 | ||||
| 3am | 48°F9°C | 5 mph9 km/h West | Mostly Clear | |
| 4am | 47°F8°C | 6 mph9 km/h West | Mostly Clear | |
| 5am | 47°F8°C | 6 mph9 km/h West | Mostly Clear | |
| 6am | 47°F8°C | 6 mph10 km/h West | Mostly Clear | |
| 7am | 49°F10°C | 8 mph12 km/h West | Mostly Clear | |
| 8am | 52°F11°C | 12 mph19 km/h West | Mostly Clear | |
| 9am | 53°F12°C | 13 mph20 km/h West | Partly Cloudy | |
| 10am | 55°F13°C | 13 mph21 km/h Northwest | Mostly Cloudy | |
| 11am | 56°F13°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 12pm | 58°F14°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 1pm | 60°F15°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 2pm | 61°F16°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 24 | 47°F8°C | 62°F17°C | 13 mph21 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| May 25 | 46°F8°C | 67°F19°C | 8 mph14 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| May 26 | 47°F8°C | 70°F21°C | 5 mph8 km/h from North | Partly Cloudy | Partly Cloudy |
| May 27 | 49°F10°C | 72°F22°C | 4 mph7 km/h from Southeast | Cloudy | Drizzle |
| May 28 | 54°F12°C | 63°F17°C | 8 mph13 km/h from East | Rain | Drizzle |
| May 29 | 58°F14°C | 70°F21°C | 5 mph8 km/h from South | Drizzle | Drizzle |
| May 30 | 57°F14°C | 73°F23°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 46°F8°C, High of 67°F20°CWind: 8 mph14 km/h
Precipitation: None