No
you don't need a jacket based on the weather in Leiden, Netherlands 1 second ago
60°F16°C & Mostly Cloudy
Wind is 9 mph14 km/h from the West, gusting to 17 mph28 km/h
| September 4 | ||||
| 8pm | 60°F15°C | 8 mph13 km/h West | Partly Cloudy | |
| 9pm | 60°F15°C | 8 mph13 km/h West | Clear | |
| 10pm | 59°F15°C | 7 mph11 km/h West | Mostly Clear | |
| 11pm | 58°F15°C | 7 mph11 km/h West | Clear | |
| September 5 | ||||
| 12am | 58°F14°C | 6 mph10 km/h West | Mostly Clear | |
| 1am | 58°F14°C | 6 mph9 km/h West | Mostly Clear | |
| 2am | 59°F15°C | 6 mph10 km/h West | Mostly Clear | |
| 3am | 61°F16°C | 7 mph12 km/h West | Partly Cloudy | |
| 4am | 62°F17°C | 8 mph13 km/h West | Partly Cloudy | |
| 5am | 64°F18°C | 9 mph15 km/h West | Partly Cloudy | |
| 6am | 65°F19°C | 10 mph16 km/h West | Mostly Clear | |
| 7am | 67°F19°C | 11 mph17 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 4 | 58°F14°C | 67°F20°C | 9 mph15 km/h from West | Mostly Clear | Mostly Clear |
| September 5 | 54°F12°C | 72°F22°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 6 | 59°F15°C | 80°F27°C | 12 mph19 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 7 | 61°F16°C | 72°F22°C | 8 mph12 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 8 | 58°F14°C | 69°F21°C | 7 mph12 km/h from South | Mostly Cloudy | Cloudy |
| September 9 | 58°F15°C | 71°F22°C | 8 mph14 km/h from Southwest | Drizzle | Drizzle |
| September 10 | 58°F14°C | 65°F19°C | 15 mph25 km/h from Southwest | Drizzle | Windy |
Yes
Low of 55°F13°C, High of 73°F23°CWind: 6 mph10 km/h
Precipitation: None