Yes
you do need a jacket based on the weather in Allentown, PA 18104, USA 1 second ago
Why? Because it's not very warm out.
58°F15°C & Cloudy
Wind is 7 mph12 km/h from the S, gusting to 16 mph25 km/h
| April 19 | ||||
| 3pm | 59°F15°C | 8 mph14 km/h S | Drizzle | |
| 4pm | 60°F16°C | 9 mph15 km/h S | Cloudy | |
| 5pm | 61°F16°C | 9 mph14 km/h S | Mostly Cloudy | |
| 6pm | 62°F16°C | 8 mph14 km/h S | Cloudy | |
| 7pm | 60°F16°C | 7 mph11 km/h S | Cloudy | |
| 8pm | 58°F14°C | 6 mph9 km/h S | Mostly Cloudy | |
| 9pm | 56°F14°C | 6 mph9 km/h S | Cloudy | |
| 10pm | 55°F13°C | 6 mph9 km/h S | Cloudy | |
| 11pm | 54°F12°C | 5 mph9 km/h S | Cloudy | |
| April 20 | ||||
| 12am | 53°F12°C | 5 mph9 km/h S | Cloudy | |
| 1am | 52°F11°C | 4 mph7 km/h S | Cloudy | |
| 2am | 52°F11°C | 4 mph6 km/h S | Rain | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 44°F7°C | 62°F16°C | 6 mph10 km/h from S | Drizzle | Rain |
| April 20 | 43°F6°C | 64°F18°C | 10 mph16 km/h from W | Partly Cloudy | Mostly Clear |
| April 21 | 36°F2°C | 55°F13°C | 8 mph13 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 22 | 36°F2°C | 59°F15°C | 7 mph12 km/h from NW | Clear | Clear |
| April 23 | 34°F1°C | 65°F18°C | 8 mph14 km/h from S | Partly Cloudy | Mostly Cloudy |
| April 24 | 46°F8°C | 61°F16°C | 11 mph17 km/h from W | Rain | Partly Cloudy |
| April 25 | 41°F5°C | 60°F16°C | 8 mph13 km/h from NW | Partly Cloudy | Partly Cloudy |
Yes
Low of 43°F6°C, High of 64°F18°CWind: 10 mph16 km/h
Precipitation: None