Yes

you do need a jacket based on the weather in Shetland Cl, St Julians, Newport NP19 7TJ, UK 1 second ago

Why? Because looks like it's raining and too cold for just a hoodie, too warm for a parka and it's really really huffing out there!
44°F7°C & Rain

Wind is 24 mph39 km/h from the Northwest, gusting to 45 mph73 km/h
December 22
9am44°F7°C25 mph39 km/h NorthwestDrizzle
10am44°F7°C24 mph39 km/h NorthwestWindy
11am44°F7°C24 mph38 km/h NorthwestWindy
12pm44°F6°C23 mph38 km/h NorthwestWindy
1pm43°F6°C23 mph37 km/h NorthwestWindy
2pm43°F6°C22 mph36 km/h NorthwestWindy
3pm42°F6°C22 mph35 km/h NorthwestWindy
4pm42°F5°C22 mph35 km/h NorthwestWindy
5pm41°F5°C20 mph32 km/h NorthwestWindy
6pm41°F5°C19 mph31 km/h NorthwestWindy
7pm41°F5°C18 mph28 km/h NorthwestWindy
8pm41°F5°C16 mph27 km/h NorthwestWindy
DateLowHighWindDayNight
December 2139°F4°C44°F7°C22 mph35 km/h from NorthwestDrizzleWindy
December 2238°F3°C47°F9°C6 mph10 km/h from WestMostly CloudyMostly Cloudy
December 2346°F8°C54°F12°C6 mph10 km/h from SouthwestMostly CloudyMostly Cloudy
December 2447°F8°C51°F11°C5 mph8 km/h from SouthwestMostly CloudyMostly Cloudy
December 2542°F6°C49°F9°C2 mph4 km/h from SouthwestCloudyCloudy
December 2643°F6°C47°F8°C3 mph5 km/h from EastCloudyMostly Cloudy
December 2742°F6°C47°F8°C3 mph5 km/h from SouthMostly CloudyMostly Cloudy

Yes

Low of 37°F3°C, High of 47°F9°C
Wind: 6 mph10 km/h
Precipitation: None

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