No
you don't need a jacket based on the weather in Allentown, PA 18104, USA 1 second ago
64°F18°C & Cloudy
Wind is 4 mph6 km/h from the Southeast, gusting to 11 mph18 km/h
| June 10 | ||||
| 1am | 64°F18°C | 5 mph8 km/h Southeast | Cloudy | |
| 2am | 64°F18°C | 4 mph7 km/h East | Cloudy | |
| 3am | 63°F17°C | 4 mph7 km/h Southeast | Drizzle | |
| 4am | 63°F17°C | 5 mph7 km/h Southeast | Drizzle | |
| 5am | 63°F17°C | 5 mph8 km/h Southeast | Drizzle | |
| 6am | 63°F17°C | 3 mph5 km/h Southeast | Thunderstorms | |
| 7am | 63°F17°C | 3 mph6 km/h Southeast | Thunderstorms | |
| 8am | 64°F18°C | 2 mph3 km/h East | Drizzle | |
| 9am | 66°F19°C | 3 mph4 km/h East | Drizzle | |
| 10am | 67°F20°C | 2 mph3 km/h Northwest | Drizzle | |
| 11am | 70°F21°C | 3 mph5 km/h West | Mostly Cloudy | |
| 12pm | 73°F23°C | 3 mph5 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 10 | 63°F17°C | 79°F26°C | 5 mph8 km/h from West | Thunderstorms | Clear |
| June 11 | 57°F14°C | 81°F27°C | 8 mph13 km/h from West | Mostly Clear | Clear |
| June 12 | 63°F17°C | 85°F30°C | 7 mph12 km/h from West | Mostly Clear | Mostly Clear |
| June 13 | 63°F17°C | 85°F29°C | 3 mph5 km/h from East | Mostly Clear | Drizzle |
| June 14 | 65°F18°C | 81°F27°C | 6 mph9 km/h from East | Drizzle | Drizzle |
| June 15 | 62°F17°C | 76°F24°C | 8 mph14 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| June 16 | 59°F15°C | 76°F24°C | 5 mph8 km/h from Southeast | Drizzle | Drizzle |
Yes
Low of 57°F14°C, High of 81°F27°CWind: 8 mph13 km/h
Precipitation: None