Yes

you do need a jacket based on the weather in Cape Horn, Magallanes and Chilean Antarctica, Chile 1 second ago

Why? Because there's a refreshing nip in the air.
41°F5°C & Windy

Wind is 21 mph33 km/h from the W, gusting to 26 mph42 km/h
April 23
12pm41°F5°C20 mph33 km/h WWindy
1pm41°F5°C19 mph31 km/h WWindy
2pm41°F5°C18 mph29 km/h WWindy
3pm42°F5°C17 mph27 km/h NWWindy
4pm42°F5°C15 mph24 km/h NWMostly Clear
5pm42°F6°C13 mph22 km/h NWMostly Clear
6pm43°F6°C14 mph22 km/h NWPartly Cloudy
7pm43°F6°C15 mph24 km/h NWWindy
8pm44°F7°C16 mph26 km/h NWWindy
9pm44°F7°C18 mph29 km/h NWWindy
10pm44°F7°C20 mph32 km/h NWWindy
11pm45°F7°C20 mph31 km/h NWWindy
DateLowHighWindDayNight
April 2239°F4°C45°F7°C19 mph30 km/h from WWindyDrizzle
April 2343°F6°C47°F9°C15 mph24 km/h from NWCloudyWindy
April 2443°F6°C46°F8°C11 mph18 km/h from SWDrizzleMostly Cloudy
April 2539°F4°C45°F7°C21 mph33 km/h from SDrizzleWindy
April 2639°F4°C43°F6°C21 mph34 km/h from WWindyDrizzle
April 2737°F3°C40°F5°C23 mph38 km/h from SWDrizzleWindy
April 2835°F2°C40°F5°C29 mph46 km/h from SWWindyWindy

Yes

Low of 43°F6°C, High of 47°F9°C
Wind: 15 mph24 km/h
Precipitation: None

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