No
you don't need a jacket based on the weather in Allentown, PA 18104, USA 1 second ago
60°F16°C & Mostly Clear
Wind is 2 mph3 km/h from the North, gusting to 2 mph4 km/h
| May 16 | ||||
| 4am | 59°F15°C | 2 mph3 km/h East | Mostly Cloudy | |
| 5am | 59°F15°C | 2 mph3 km/h East | Haze | |
| 6am | 60°F15°C | 2 mph3 km/h Northeast | Haze | |
| 7am | 60°F16°C | 2 mph4 km/h East | Haze | |
| 8am | 63°F17°C | 3 mph4 km/h East | Mostly Cloudy | |
| 9am | 67°F20°C | 3 mph5 km/h South | Partly Cloudy | |
| 10am | 69°F20°C | 5 mph8 km/h Southwest | Cloudy | |
| 11am | 70°F21°C | 5 mph8 km/h Southwest | Cloudy | |
| 12pm | 72°F22°C | 5 mph8 km/h Southwest | Thunderstorms | |
| 1pm | 73°F23°C | 6 mph10 km/h South | Mostly Cloudy | |
| 2pm | 76°F24°C | 7 mph11 km/h South | Mostly Cloudy | |
| 3pm | 77°F25°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 16 | 59°F15°C | 78°F26°C | 5 mph8 km/h from Southwest | Thunderstorms | Rain |
| May 17 | 62°F17°C | 80°F27°C | 10 mph15 km/h from Southwest | Drizzle | Mostly Clear |
| May 18 | 56°F13°C | 70°F21°C | 14 mph22 km/h from West | Partly Cloudy | Partly Cloudy |
| May 19 | 54°F12°C | 73°F23°C | 12 mph19 km/h from Northwest | Mostly Clear | Mostly Clear |
| May 20 | 48°F9°C | 68°F20°C | 7 mph12 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| May 21 | 50°F10°C | 59°F15°C | 9 mph15 km/h from East | Drizzle | Rain |
| May 22 | 48°F9°C | 54°F12°C | 10 mph16 km/h from Northeast | Rain | Drizzle |
No
Low of 62°F17°C, High of 80°F27°CWind: 10 mph15 km/h
Precipitation: 33% rain