Yes
you do need a jacket based on the weather in St Helier, Jersey 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
50°F10°C & Mostly Cloudy
Wind is 2 mph4 km/h from the Southeast, gusting to 3 mph5 km/h
| March 10 | ||||
| 11am | 50°F10°C | 3 mph6 km/h Northeast | Cloudy | |
| 12pm | 50°F10°C | 5 mph8 km/h North | Cloudy | |
| 1pm | 51°F10°C | 7 mph12 km/h North | Cloudy | |
| 2pm | 50°F10°C | 7 mph11 km/h North | Cloudy | |
| 3pm | 50°F10°C | 6 mph10 km/h Northeast | Cloudy | |
| 4pm | 50°F10°C | 6 mph9 km/h Northeast | Cloudy | |
| 5pm | 50°F10°C | 5 mph8 km/h Northeast | Cloudy | |
| 6pm | 49°F10°C | 5 mph9 km/h Northeast | Cloudy | |
| 7pm | 49°F9°C | 5 mph8 km/h Northeast | Cloudy | |
| 8pm | 49°F9°C | 6 mph10 km/h Northeast | Cloudy | |
| 9pm | 49°F9°C | 6 mph9 km/h Northeast | Cloudy | |
| 10pm | 48°F9°C | 6 mph10 km/h Northeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 9 | 49°F9°C | 51°F10°C | 7 mph11 km/h from East | Cloudy | Drizzle |
| March 10 | 44°F7°C | 49°F9°C | 18 mph29 km/h from Northeast | Drizzle | Drizzle |
| March 11 | 42°F6°C | 45°F7°C | 9 mph14 km/h from North | Mostly Cloudy | Mostly Cloudy |
| March 12 | 42°F5°C | 44°F7°C | 15 mph25 km/h from Northeast | Windy | Mostly Clear |
| March 13 | 42°F6°C | 45°F7°C | 13 mph21 km/h from Northeast | Mostly Cloudy | Windy |
| March 14 | 42°F6°C | 45°F7°C | 21 mph34 km/h from Northeast | Windy | Windy |
| March 15 | 43°F6°C | 46°F8°C | 18 mph29 km/h from Northeast | Windy | Partly Cloudy |
Yes
Low of 44°F7°C, High of 49°F10°CWind: 18 mph29 km/h
Precipitation: 71% rain