No
you don't need a jacket based on the weather in St Helier, Jersey 1 second ago
61°F16°C & Mostly Cloudy
Wind is 9 mph15 km/h from the North, gusting to 13 mph21 km/h
| May 30 | ||||
| 3pm | 61°F16°C | 9 mph14 km/h North | Mostly Cloudy | |
| 4pm | 60°F16°C | 8 mph13 km/h North | Mostly Cloudy | |
| 5pm | 60°F15°C | 7 mph11 km/h North | Mostly Clear | |
| 6pm | 59°F15°C | 5 mph8 km/h North | Partly Cloudy | |
| 7pm | 59°F15°C | 4 mph6 km/h North | Partly Cloudy | |
| 8pm | 58°F15°C | 4 mph7 km/h Northwest | Partly Cloudy | |
| 9pm | 58°F15°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 10pm | 58°F14°C | 5 mph7 km/h Northwest | Cloudy | |
| 11pm | 58°F14°C | 5 mph8 km/h Northwest | Cloudy | |
| May 31 | ||||
| 12am | 58°F14°C | 5 mph7 km/h Northwest | Cloudy | |
| 1am | 58°F14°C | 5 mph8 km/h Northwest | Cloudy | |
| 2am | 58°F14°C | 6 mph9 km/h Northwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 29 | 58°F14°C | 64°F18°C | 6 mph9 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| May 30 | 58°F14°C | 61°F16°C | 9 mph14 km/h from West | Cloudy | Cloudy |
| May 31 | 57°F14°C | 61°F16°C | 14 mph22 km/h from West | Mostly Cloudy | Mostly Clear |
| June 1 | 56°F14°C | 62°F16°C | 8 mph13 km/h from Northwest | Mostly Clear | Partly Cloudy |
| June 2 | 56°F13°C | 61°F16°C | 18 mph29 km/h from Southwest | Drizzle | Windy |
| June 3 | 56°F13°C | 60°F15°C | 12 mph19 km/h from West | Partly Cloudy | Mostly Cloudy |
| June 4 | 55°F13°C | 61°F16°C | 12 mph20 km/h from Southwest | Mostly Cloudy | Windy |
Yes
Low of 57°F14°C, High of 62°F17°CWind: 9 mph14 km/h
Precipitation: None