Yes
you do need a jacket based on the weather in St Helier, Jersey 1 second ago
Why? Because the wind is harsh and biting!
67°F19°C & Windy
Wind is 16 mph25 km/h from the West, gusting to 21 mph34 km/h
| July 31 | ||||
| 12pm | 66°F19°C | 16 mph25 km/h West | Windy | |
| 1pm | 66°F19°C | 16 mph26 km/h West | Windy | |
| 2pm | 66°F19°C | 15 mph24 km/h West | Windy | |
| 3pm | 66°F19°C | 16 mph25 km/h West | Windy | |
| 4pm | 66°F19°C | 15 mph24 km/h West | Mostly Clear | |
| 5pm | 65°F18°C | 14 mph23 km/h West | Partly Cloudy | |
| 6pm | 65°F18°C | 14 mph22 km/h West | Partly Cloudy | |
| 7pm | 65°F18°C | 13 mph21 km/h West | Mostly Cloudy | |
| 8pm | 65°F18°C | 13 mph20 km/h Northwest | Mostly Cloudy | |
| 9pm | 65°F18°C | 12 mph19 km/h Northwest | Partly Cloudy | |
| 10pm | 64°F18°C | 13 mph21 km/h North | Partly Cloudy | |
| 11pm | 64°F18°C | 13 mph21 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 30 | 64°F18°C | 67°F19°C | 15 mph24 km/h from West | Windy | Partly Cloudy |
| July 31 | 63°F17°C | 65°F18°C | 14 mph22 km/h from Northwest | Mostly Clear | Mostly Clear |
| August 1 | 62°F17°C | 66°F19°C | 11 mph18 km/h from Northwest | Mostly Clear | Partly Cloudy |
| August 2 | 63°F17°C | 67°F20°C | 15 mph24 km/h from West | Mostly Cloudy | Cloudy |
| August 3 | 64°F18°C | 70°F21°C | 16 mph25 km/h from West | Windy | Windy |
| August 4 | 61°F16°C | 66°F19°C | 16 mph27 km/h from Northwest | Windy | Partly Cloudy |
| August 5 | 61°F16°C | 67°F20°C | 7 mph11 km/h from North | Mostly Clear | Mostly Clear |
No
Low of 63°F17°C, High of 65°F19°CWind: 14 mph22 km/h
Precipitation: None