No
you don't need a jacket based on the weather in Hummelstown, PA 17036, USA 1 second ago
69°F20°C & Cloudy
Wind is 2 mph4 km/h from the Northeast, gusting to 4 mph7 km/h
| June 30 | ||||
| 5am | 69°F20°C | 3 mph5 km/h East | Cloudy | |
| 6am | 69°F20°C | 3 mph5 km/h Northeast | Cloudy | |
| 7am | 71°F22°C | 3 mph5 km/h East | Cloudy | |
| 8am | 74°F23°C | 4 mph6 km/h East | Cloudy | |
| 9am | 77°F25°C | 4 mph6 km/h East | Cloudy | |
| 10am | 80°F27°C | 4 mph7 km/h East | Cloudy | |
| 11am | 83°F28°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 12pm | 85°F30°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| 1pm | 87°F30°C | 5 mph9 km/h South | Mostly Cloudy | |
| 2pm | 87°F31°C | 6 mph9 km/h South | Mostly Cloudy | |
| 3pm | 87°F30°C | 7 mph11 km/h South | Mostly Cloudy | |
| 4pm | 86°F30°C | 6 mph10 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 30 | 68°F20°C | 87°F31°C | 5 mph8 km/h from Southeast | Thunderstorms | Thunderstorms |
| July 1 | 73°F23°C | 84°F29°C | 6 mph10 km/h from Southwest | Rain | Drizzle |
| July 2 | 70°F21°C | 86°F30°C | 4 mph7 km/h from Northwest | Mostly Clear | Clear |
| July 3 | 67°F20°C | 85°F30°C | 6 mph10 km/h from West | Mostly Clear | Clear |
| July 4 | 63°F17°C | 82°F28°C | 5 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
| July 5 | 62°F17°C | 88°F31°C | 3 mph5 km/h from South | Mostly Clear | Partly Cloudy |
| July 6 | 69°F21°C | 90°F32°C | 5 mph8 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
No
Low of 73°F23°C, High of 83°F29°CWind: 6 mph10 km/h
Precipitation: 55% rain