Yes

you do need a jacket based on the weather in Svalbard, Svalbard and Jan Mayen 1 second ago

Why? Because it's snowing - enough for fun, but still walkable and it's quite chilly and it's so windy, your hat will probably launch into orbit!
32°F0°C & Snow

Wind is 20 mph32 km/h from the North, gusting to 26 mph42 km/h
November 8
3am32°F0°C21 mph33 km/h NorthSnow
4am32°F0°C20 mph33 km/h NorthSnow
5am33°F0°C20 mph32 km/h NorthSnow
6am33°F1°C20 mph33 km/h NorthFlurries
7am33°F0°C23 mph36 km/h NorthSnow
8am33°F0°C25 mph40 km/h NorthSnow
9am33°F0°C27 mph43 km/h NorthSnow
10am32°F0°C28 mph45 km/h NorthSnow
11am32°F0°C30 mph49 km/h NorthSnow
12pm32°F0°C33 mph53 km/h NorthSnow
1pm33°F0°C34 mph55 km/h NorthSnow
2pm33°F0°C35 mph57 km/h NorthSnow
DateLowHighWindDayNight
November 728°F-2°C33°F1°C32 mph51 km/h from NorthSnowSnow
November 827°F-3°C30°F-1°C35 mph56 km/h from NorthSnowSnow
November 925°F-4°C30°F-1°C18 mph29 km/h from EastWindyPartly Cloudy
November 1020°F-7°C25°F-4°C11 mph17 km/h from NorthMostly CloudyMostly Cloudy
November 1117°F-8°C20°F-7°C23 mph36 km/h from NorthWindyWindy
November 1218°F-8°C20°F-7°C27 mph43 km/h from NorthWindyWindy
November 1319°F-8°C24°F-5°C16 mph25 km/h from NorthWindyWindy

Yes

Low of 27°F-3°C, High of 29°F-2°C
Wind: 35 mph56 km/h
Precipitation: 64% snow

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