No
you don't need a jacket based on the weather in St Helier, Jersey 1 second ago
65°F18°C & Cloudy
Wind is 9 mph14 km/h from the Southwest, gusting to 14 mph23 km/h
| June 28 | ||||
| 2am | 65°F18°C | 9 mph15 km/h Southwest | Cloudy | |
| 3am | 65°F19°C | 8 mph14 km/h West | Cloudy | |
| 4am | 66°F19°C | 7 mph12 km/h Southwest | Cloudy | |
| 5am | 66°F19°C | 7 mph12 km/h Southwest | Cloudy | |
| 6am | 67°F19°C | 8 mph12 km/h Southwest | Cloudy | |
| 7am | 67°F20°C | 7 mph12 km/h Southwest | Mostly Cloudy | |
| 8am | 68°F20°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 9am | 68°F20°C | 6 mph10 km/h West | Partly Cloudy | |
| 10am | 68°F20°C | 7 mph11 km/h West | Mostly Clear | |
| 11am | 68°F20°C | 7 mph12 km/h West | Mostly Clear | |
| 12pm | 69°F20°C | 7 mph12 km/h West | Clear | |
| 1pm | 69°F21°C | 8 mph12 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 27 | 64°F18°C | 69°F21°C | 7 mph12 km/h from West | Partly Cloudy | Partly Cloudy |
| June 28 | 63°F17°C | 72°F22°C | 6 mph10 km/h from North | Mostly Cloudy | Mostly Clear |
| June 29 | 64°F18°C | 77°F25°C | 7 mph11 km/h from Northeast | Clear | Mostly Clear |
| June 30 | 64°F18°C | 68°F20°C | 9 mph15 km/h from Northwest | Partly Cloudy | Mostly Clear |
| July 1 | 65°F18°C | 69°F20°C | 14 mph23 km/h from North | Drizzle | Drizzle |
| July 2 | 61°F16°C | 65°F19°C | 15 mph25 km/h from Northwest | Drizzle | Drizzle |
| July 3 | 60°F15°C | 65°F18°C | 13 mph20 km/h from North | Partly Cloudy | Mostly Clear |
No
Low of 63°F17°C, High of 72°F22°CWind: 6 mph10 km/h
Precipitation: None