No
you don't need a jacket based on the weather in Allentown, PA 18104, USA 1 second ago
73°F23°C & Cloudy
Wind is 7 mph12 km/h from the East, gusting to 16 mph26 km/h
| September 16 | ||||
| 6pm | 71°F22°C | 8 mph12 km/h East | Cloudy | |
| 7pm | 68°F20°C | 6 mph10 km/h East | Cloudy | |
| 8pm | 67°F19°C | 5 mph7 km/h East | Mostly Cloudy | |
| 9pm | 66°F19°C | 4 mph7 km/h East | Mostly Cloudy | |
| 10pm | 65°F18°C | 5 mph8 km/h East | Mostly Cloudy | |
| 11pm | 64°F18°C | 6 mph9 km/h Northeast | Cloudy | |
| September 17 | ||||
| 12am | 63°F17°C | 6 mph9 km/h Northeast | Mostly Cloudy | |
| 1am | 62°F17°C | 7 mph11 km/h Northeast | Cloudy | |
| 2am | 61°F16°C | 8 mph12 km/h Northeast | Cloudy | |
| 3am | 61°F16°C | 8 mph13 km/h Northeast | Cloudy | |
| 4am | 61°F16°C | 8 mph14 km/h Northeast | Cloudy | |
| 5am | 61°F16°C | 9 mph14 km/h Northeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 57°F14°C | 76°F24°C | 6 mph9 km/h from East | Mostly Cloudy | Cloudy |
| September 17 | 60°F16°C | 70°F21°C | 9 mph14 km/h from Northeast | Rain | Drizzle |
| September 18 | 61°F16°C | 78°F25°C | 3 mph5 km/h from Northwest | Partly Cloudy | Clear |
| September 19 | 58°F15°C | 79°F26°C | 7 mph12 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 50°F10°C | 71°F22°C | 5 mph8 km/h from East | Clear | Clear |
| September 21 | 48°F9°C | 73°F23°C | 5 mph7 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 22 | 52°F11°C | 77°F25°C | 3 mph6 km/h from South | Partly Cloudy | Partly Cloudy |
No
Low of 60°F16°C, High of 70°F21°CWind: 9 mph14 km/h
Precipitation: 59% rain