No

you don't need a jacket based on the weather in Seoul, South Korea 1 second ago

75°F24°C & Clear

Wind is 3 mph5 km/h from the NW, gusting to 6 mph10 km/h
April 13
12am76°F24°C4 mph6 km/h WClear
1am78°F25°C5 mph8 km/h WClear
2am79°F26°C6 mph10 km/h WClear
3am78°F26°C7 mph12 km/h WClear
4am77°F25°C8 mph12 km/h WClear
5am74°F23°C7 mph11 km/h WClear
6am71°F21°C5 mph7 km/h WClear
7am67°F20°C3 mph6 km/h WClear
8am64°F18°C3 mph4 km/h WClear
9am62°F17°C2 mph4 km/h NWClear
10am61°F16°C2 mph4 km/h NWClear
11am59°F15°C2 mph4 km/h NClear
DateLowHighWindDayNight
April 1250°F10°C79°F26°C4 mph6 km/h from WClearClear
April 1354°F12°C82°F28°C4 mph7 km/h from SPartly CloudyRain
April 1454°F12°C65°F18°C10 mph16 km/h from SWRainCloudy
April 1552°F11°C68°F20°C6 mph10 km/h from WPartly CloudyPartly Cloudy
April 1648°F9°C72°F22°C4 mph6 km/h from WPartly CloudyClear
April 1748°F9°C72°F22°C5 mph8 km/h from WMostly ClearPartly Cloudy
April 1849°F9°C74°F23°C5 mph8 km/h from NWMostly CloudyMostly Cloudy

Yes

Low of 54°F12°C, High of 82°F28°C
Wind: 4 mph7 km/h
Precipitation: None

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