No
you don't need a jacket based on the weather in Seoul, South Korea 1 second ago
69°F21°C & Mostly Cloudy
Wind is 4 mph6 km/h from the North, gusting to 8 mph13 km/h
| September 17 | ||||
| 9am | 69°F21°C | 4 mph7 km/h North | Mostly Cloudy | |
| 10am | 69°F20°C | 4 mph6 km/h North | Partly Cloudy | |
| 11am | 68°F20°C | 3 mph5 km/h North | Partly Cloudy | |
| 12pm | 67°F20°C | 3 mph5 km/h North | Mostly Cloudy | |
| 1pm | 66°F19°C | 3 mph6 km/h North | Mostly Cloudy | |
| 2pm | 66°F19°C | 3 mph5 km/h North | Cloudy | |
| 3pm | 65°F19°C | 3 mph5 km/h North | Cloudy | |
| 4pm | 65°F18°C | 2 mph4 km/h North | Cloudy | |
| 5pm | 65°F18°C | 3 mph4 km/h North | Cloudy | |
| 6pm | 65°F19°C | 3 mph5 km/h North | Cloudy | |
| 7pm | 67°F19°C | 3 mph5 km/h Northeast | Cloudy | |
| 8pm | 68°F20°C | 4 mph7 km/h Northeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 68°F20°C | 74°F23°C | 4 mph7 km/h from North | Heavy Rain | Mostly Cloudy |
| September 17 | 65°F18°C | 75°F24°C | 6 mph10 km/h from East | Mostly Cloudy | Cloudy |
| September 18 | 63°F17°C | 71°F21°C | 4 mph7 km/h from East | Drizzle | Rain |
| September 19 | 62°F16°C | 71°F22°C | 4 mph7 km/h from Northeast | Drizzle | Partly Cloudy |
| September 20 | 58°F14°C | 76°F24°C | 4 mph6 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 21 | 58°F14°C | 73°F23°C | 4 mph7 km/h from East | Cloudy | Cloudy |
| September 22 | 60°F16°C | 73°F23°C | 6 mph10 km/h from East | Cloudy | Rain |
No
Low of 65°F19°C, High of 75°F24°CWind: 6 mph10 km/h
Precipitation: 8% rain