Yes
you do need a jacket based on the weather in St Helier, Jersey 1 second ago
Why? Because it's cool. Pleasantly cool, but cool and the wind is harsh and biting!
59°F15°C & Windy
Wind is 16 mph26 km/h from the East, gusting to 23 mph37 km/h
| October 16 | ||||
| 9pm | 59°F15°C | 17 mph27 km/h East | Windy | |
| 10pm | 58°F15°C | 16 mph26 km/h East | Windy | |
| 11pm | 58°F14°C | 15 mph25 km/h East | Windy | |
| October 17 | ||||
| 12am | 57°F14°C | 15 mph24 km/h East | Clear | |
| 1am | 57°F14°C | 14 mph23 km/h East | Clear | |
| 2am | 56°F13°C | 14 mph23 km/h East | Clear | |
| 3am | 56°F13°C | 14 mph23 km/h East | Mostly Clear | |
| 4am | 55°F13°C | 14 mph22 km/h East | Clear | |
| 5am | 55°F13°C | 14 mph22 km/h East | Mostly Clear | |
| 6am | 55°F13°C | 13 mph22 km/h East | Mostly Clear | |
| 7am | 55°F13°C | 13 mph22 km/h East | Partly Cloudy | |
| 8am | 55°F13°C | 14 mph23 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 15 | 56°F14°C | 61°F16°C | 16 mph25 km/h from East | Windy | Windy |
| October 16 | 55°F13°C | 61°F16°C | 15 mph24 km/h from East | Mostly Clear | Windy |
| October 17 | 55°F13°C | 61°F16°C | 15 mph24 km/h from Southeast | Windy | Drizzle |
| October 18 | 58°F14°C | 63°F17°C | 23 mph38 km/h from South | Rain | Drizzle |
| October 19 | 57°F14°C | 60°F16°C | 30 mph48 km/h from Southwest | Drizzle | Drizzle |
| October 20 | 57°F14°C | 59°F15°C | 23 mph38 km/h from West | Windy | Rain |
| October 21 | 56°F13°C | 62°F16°C | 22 mph35 km/h from Southwest | Rain | Windy |
Yes
Low of 55°F13°C, High of 61°F16°CWind: 15 mph24 km/h
Precipitation: None