Yes

you do need a jacket based on the weather in Sitka, AK, USA 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet and it's so windy, you’re practically horizontal just trying to walk!
45°F7°C & Cloudy

Wind is 12 mph20 km/h from the East, gusting to 25 mph41 km/h
November 5
12pm45°F7°C13 mph20 km/h EastCloudy
1pm44°F7°C12 mph19 km/h EastCloudy
2pm44°F7°C11 mph18 km/h EastCloudy
3pm43°F6°C10 mph17 km/h NortheastCloudy
4pm43°F6°C10 mph17 km/h NortheastCloudy
5pm43°F6°C10 mph17 km/h NortheastCloudy
6pm43°F6°C10 mph17 km/h EastCloudy
7pm43°F6°C11 mph18 km/h EastCloudy
8pm43°F6°C14 mph23 km/h EastDrizzle
9pm44°F7°C16 mph26 km/h EastDrizzle
10pm45°F7°C16 mph26 km/h EastWindy
11pm46°F8°C16 mph25 km/h EastWindy
DateLowHighWindDayNight
November 543°F6°C46°F8°C14 mph22 km/h from EastDrizzleRain
November 642°F5°C45°F7°C9 mph15 km/h from SoutheastMostly CloudyRain
November 736°F2°C42°F5°C6 mph10 km/h from SouthwestRainDrizzle
November 836°F2°C40°F5°C8 mph12 km/h from EastRainRain
November 939°F4°C47°F8°C9 mph14 km/h from EastRainRain
November 1038°F4°C42°F6°C11 mph17 km/h from SoutheastRainRain
November 1137°F3°C41°F5°C6 mph10 km/h from SoutheastRainMostly Cloudy

Yes

Low of 42°F6°C, High of 45°F7°C
Wind: 9 mph15 km/h
Precipitation: None

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