Yes

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

Why? Because it's bitterly cold.
40°F4°C & Cloudy

Wind is 12 mph19 km/h from the SE, gusting to 22 mph36 km/h
April 18
7am40°F4°C12 mph20 km/h SECloudy
8am39°F4°C12 mph19 km/h SECloudy
9am38°F4°C12 mph20 km/h SECloudy
10am38°F3°C13 mph21 km/h SECloudy
11am39°F4°C13 mph21 km/h SECloudy
12pm40°F4°C14 mph22 km/h SECloudy
1pm42°F5°C14 mph22 km/h SECloudy
2pm44°F6°C13 mph21 km/h SECloudy
3pm46°F8°C13 mph21 km/h SECloudy
4pm47°F8°C12 mph19 km/h SEMostly Cloudy
5pm49°F9°C12 mph19 km/h SEMostly Cloudy
6pm51°F10°C12 mph19 km/h SEMostly Cloudy
DateLowHighWindDayNight
April 1838°F3°C53°F12°C12 mph20 km/h from SEMostly CloudyPartly Cloudy
April 1931°F-0°C55°F13°C7 mph11 km/h from SEClearClear
April 2029°F-2°C52°F11°C4 mph6 km/h from NEClearClear
April 2128°F-2°C52°F11°C3 mph4 km/h from WMostly ClearMostly Cloudy
April 2233°F1°C49°F9°C5 mph8 km/h from SPartly CloudyMostly Cloudy
April 2331°F-0°C49°F10°C4 mph7 km/h from EMostly CloudyMostly Cloudy
April 2433°F0°C53°F12°C6 mph10 km/h from SMostly ClearMostly Clear

Yes

Low of 31°F-1°C, High of 55°F13°C
Wind: 7 mph11 km/h
Precipitation: None

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